diff --git a/cinnamon-dynamic-wallpaper@TobiZog/5.4/extension.js b/cinnamon-dynamic-wallpaper@TobiZog/5.4/extension.js
index ee7477d..fe3de9a 100644
--- a/cinnamon-dynamic-wallpaper@TobiZog/5.4/extension.js
+++ b/cinnamon-dynamic-wallpaper@TobiZog/5.4/extension.js
@@ -17,7 +17,8 @@ const Gio = imports.gi.Gio;
 const MessageTray = imports.ui.messageTray;
 const St = imports.gi.St;
 const Main = imports.ui.main;
-
+const Gettext = imports.gettext;
+const GLib = imports.gi.GLib;
 
 
 /******************** Constants ********************/
@@ -44,6 +45,15 @@ function CinnamonDynamicWallpaperExtension(uuid) {
 }
 
 
+function _(str) {
+	let customTranslation = Gettext.dgettext(UUID, str);
+	if (customTranslation !== str) {
+		return customTranslation;
+	}
+	return Gettext.gettext(str);
+}
+
+
 CinnamonDynamicWallpaperExtension.prototype = {
 
 	/******************** Lifecycle ********************/
@@ -56,12 +66,14 @@ CinnamonDynamicWallpaperExtension.prototype = {
 	_init: function(uuid) { 
 		this.settings = new Settings.ExtensionSettings(this, uuid);
 
+		Gettext.bindtextdomain(UUID, GLib.get_home_dir() + '/.local/share/locale');
+
 		// Check for the first startup
-		if (this.settings.getValue("first_start")) {
+		if (!this.settings.getValue("first_start")) {
 
 			// Welcome notification
-			this.showNotification("Welcome to Cinnamon Dynamic Wallpaper", 
-				"Check the preferences to choose a dynamic wallpaper", true)
+			this.showNotification(_("Welcome to Cinnamon Dynamic Wallpaper"), 
+				_("Check the preferences to choose a dynamic wallpaper"), true)
 
 			// Hide the notification on system restart
 			this.settings.setValue("first_start", false)
@@ -98,8 +110,8 @@ CinnamonDynamicWallpaperExtension.prototype = {
 			try {
 				Util.spawnCommandLine("/usr/bin/env python3 " + DIRECTORY.path + "/src/main.py loop")
 			} catch(e) {
-				this.showNotification("Error!", 
-					"Cinnamon Dynamic Wallpaper got an error while running the loop script. Please create an issue on GitHub.")
+				this.showNotification(_("Error!"), 
+					_("Cinnamon Dynamic Wallpaper got an error while running the loop script. Please create an issue on GitHub."))
 			}
 
 			// Refresh every 60 seconds
diff --git a/cinnamon-dynamic-wallpaper@TobiZog/5.4/src/main.py b/cinnamon-dynamic-wallpaper@TobiZog/5.4/src/main.py
index 518ba70..dc5bd96 100755
--- a/cinnamon-dynamic-wallpaper@TobiZog/5.4/src/main.py
+++ b/cinnamon-dynamic-wallpaper@TobiZog/5.4/src/main.py
@@ -1,6 +1,6 @@
 #!/usr/bin/python3
 
-import sys, datetime
+import sys
 from view.main_window import *
 from model.main_view_model import *
 
diff --git a/cinnamon-dynamic-wallpaper@TobiZog/5.4/src/model/main_view_model.py b/cinnamon-dynamic-wallpaper@TobiZog/5.4/src/model/main_view_model.py
index 69a1aa6..d42f739 100644
--- a/cinnamon-dynamic-wallpaper@TobiZog/5.4/src/model/main_view_model.py
+++ b/cinnamon-dynamic-wallpaper@TobiZog/5.4/src/model/main_view_model.py
@@ -1,13 +1,18 @@
-import os, time
-from PIL import Image
+# GTK
 from gi.repository import Gio, Gdk
 
+# Packages
+import os, time, gi, locale
+from PIL import Image
+
+# Local scripts
 from service.cinnamon_pref_handler import *
 from service.suntimes import *
 from service.time_bar_chart import *
 from service.location import *
 from enums.PeriodSourceEnum import *
 
+
 class Main_View_Model:
 	""" The main ViewModel for the application
 	"""
@@ -38,6 +43,13 @@ class Main_View_Model:
 
 		self.background_settings = Gio.Settings.new("org.cinnamon.desktop.background")
 
+
+		# Language support
+		self.UUID = "cinnamon-dynamic-wallpaper@TobiZog"
+		self.localeDir = os.path.expanduser("~") + "/.local/share/locale"
+		locale.bindtextdomain(self.UUID, self.localeDir)
+
+
 		# Other Variables
 		self.display = Gdk.Display.get_default()
 		self.screen_height = self.display.get_monitor(0).get_geometry().height
diff --git a/cinnamon-dynamic-wallpaper@TobiZog/5.4/src/service/cinnamon_pref_handler.py b/cinnamon-dynamic-wallpaper@TobiZog/5.4/src/service/cinnamon_pref_handler.py
index 5162ec3..2cd5d59 100644
--- a/cinnamon-dynamic-wallpaper@TobiZog/5.4/src/service/cinnamon_pref_handler.py
+++ b/cinnamon-dynamic-wallpaper@TobiZog/5.4/src/service/cinnamon_pref_handler.py
@@ -32,6 +32,7 @@ class Cinnamon_Pref_Handler:
     with open(self.pref_location, "r") as pref_file:
       self.pref_data = json.load(pref_file)
     
+    self.first_start = self.extract_json('first_start')
     self.picture_aspect = self.extract_json('picture_aspect')
     self.dynamic_background_color = self.extract_json('dynamic_background_color')
     self.image_source = self.extract_json('image_source')
@@ -93,6 +94,7 @@ class Cinnamon_Pref_Handler:
   def store_preferences(self):
     """ Store the values of the Preference object to the JSON file
     """
+    self.value_to_json('first_start', self.first_start)
     self.value_to_json('picture_aspect', self.picture_aspect)
     self.value_to_json('dynamic_background_color', self.dynamic_background_color)
     self.value_to_json('image_source', self.image_source)
diff --git a/cinnamon-dynamic-wallpaper@TobiZog/5.4/src/view/main_window.py b/cinnamon-dynamic-wallpaper@TobiZog/5.4/src/view/main_window.py
index 5c31e91..2de0c29 100644
--- a/cinnamon-dynamic-wallpaper@TobiZog/5.4/src/view/main_window.py
+++ b/cinnamon-dynamic-wallpaper@TobiZog/5.4/src/view/main_window.py
@@ -8,8 +8,8 @@ gi.require_version("Gtk", "3.0")
 from gi.repository import Gtk, GdkPixbuf
 
 # Packages
-import subprocess, threading, time, locale
-from datetime import timedelta, datetime, date
+import subprocess, threading, time
+from datetime import timedelta, datetime
 
 # Local scripts
 from model.main_view_model import *
@@ -17,11 +17,6 @@ from view.dialogs import *
 from enums.ImageSourceEnum import *
 from enums.PeriodSourceEnum import *
 
-UUID = "cinnamon-dynamic-wallpaper@TobiZog"
-
-localeDir = os.path.expanduser("~") + "/.local/share/locale"
-locale.bindtextdomain(UUID, localeDir)
-
 
 class Main_Window:
 	############################################################
@@ -39,7 +34,7 @@ class Main_Window:
 
 		# Glade
 		self.builder = Gtk.Builder()
-		self.builder.set_translation_domain(UUID)
+		self.builder.set_translation_domain(self.view_model.UUID)
 		self.builder.add_from_file(self.view_model.GLADE_URI)
 		self.builder.connect_signals(self)
 
diff --git a/cinnamon-dynamic-wallpaper@TobiZog/po/cinnamon-dynamic-wallpaper@TobiZog.pot b/cinnamon-dynamic-wallpaper@TobiZog/po/cinnamon-dynamic-wallpaper@TobiZog.pot
index 673804b..c87db0b 100644
--- a/cinnamon-dynamic-wallpaper@TobiZog/po/cinnamon-dynamic-wallpaper@TobiZog.pot
+++ b/cinnamon-dynamic-wallpaper@TobiZog/po/cinnamon-dynamic-wallpaper@TobiZog.pot
@@ -5,10 +5,10 @@
 #, fuzzy
 msgid ""
 msgstr ""
-"Project-Id-Version: cinnamon-dynamic-wallpaper@TobiZog 2.2\n"
+"Project-Id-Version: cinnamon-dynamic-wallpaper@TobiZog 2.3\n"
 "Report-Msgid-Bugs-To: https://github.com/linuxmint/cinnamon-spices-"
 "extensions/issues\n"
-"POT-Creation-Date: 2024-02-11 19:14+0100\n"
+"POT-Creation-Date: 2024-02-12 12:12+0100\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -17,7 +17,25 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 
-#: 5.4/extension.js:127
+#: 5.4/extension.js:75
+msgid "Welcome to Cinnamon Dynamic Wallpaper"
+msgstr ""
+
+#: 5.4/extension.js:76
+msgid "Check the preferences to choose a dynamic wallpaper"
+msgstr ""
+
+#: 5.4/extension.js:113
+msgid "Error!"
+msgstr ""
+
+#: 5.4/extension.js:114
+msgid ""
+"Cinnamon Dynamic Wallpaper got an error while running the loop script. "
+"Please create an issue on GitHub."
+msgstr ""
+
+#: 5.4/extension.js:139
 msgid "Open settings"
 msgstr ""
 
diff --git a/cinnamon-dynamic-wallpaper@TobiZog/po/de.po b/cinnamon-dynamic-wallpaper@TobiZog/po/de.po
index a547a85..95da150 100644
--- a/cinnamon-dynamic-wallpaper@TobiZog/po/de.po
+++ b/cinnamon-dynamic-wallpaper@TobiZog/po/de.po
@@ -7,8 +7,8 @@ msgstr ""
 "Project-Id-Version: cinnamon-dynamic-wallpaper@TobiZog 2.2\n"
 "Report-Msgid-Bugs-To: https://github.com/linuxmint/cinnamon-spices-"
 "extensions/issues\n"
-"POT-Creation-Date: 2024-02-11 19:14+0100\n"
-"PO-Revision-Date: 2024-02-11 19:08+0100\n"
+"POT-Creation-Date: 2024-02-12 12:12+0100\n"
+"PO-Revision-Date: 2024-02-12 12:08+0100\n"
 "Last-Translator: \n"
 "Language-Team: \n"
 "Language: de\n"
@@ -18,7 +18,27 @@ msgstr ""
 "Plural-Forms: nplurals=2; plural=(n != 1);\n"
 "X-Generator: Poedit 3.0.1\n"
 
-#: 5.4/extension.js:127
+#: 5.4/extension.js:75
+msgid "Welcome to Cinnamon Dynamic Wallpaper"
+msgstr "Willkommen zu Cinnamon Dynamic Wallpaper"
+
+#: 5.4/extension.js:76
+msgid "Check the preferences to choose a dynamic wallpaper"
+msgstr "Öffne die Einstellungen und konfiguriere die Erweiterung"
+
+#: 5.4/extension.js:113
+msgid "Error!"
+msgstr "Fehler!"
+
+#: 5.4/extension.js:114
+msgid ""
+"Cinnamon Dynamic Wallpaper got an error while running the loop script. "
+"Please create an issue on GitHub."
+msgstr ""
+"Cinnamon Dynamic Wallpaper hat ein Problem beim Aufruf des loop-Skripts "
+"festgestellt. Bitte wende dich an den Entwickler via GitHub."
+
+#: 5.4/extension.js:139
 msgid "Open settings"
 msgstr "Einstellungen öffnen"
 
diff --git a/cinnamon-dynamic-wallpaper@TobiZog/po/es.po b/cinnamon-dynamic-wallpaper@TobiZog/po/es.po
index 2bfaca4..3940a31 100644
--- a/cinnamon-dynamic-wallpaper@TobiZog/po/es.po
+++ b/cinnamon-dynamic-wallpaper@TobiZog/po/es.po
@@ -8,8 +8,8 @@ msgstr ""
 "Project-Id-Version: \n"
 "Report-Msgid-Bugs-To: https://github.com/linuxmint/cinnamon-spices-"
 "extensions/issues\n"
-"POT-Creation-Date: 2024-02-11 19:14+0100\n"
-"PO-Revision-Date: 2024-02-11 19:28+0100\n"
+"POT-Creation-Date: 2024-02-12 12:12+0100\n"
+"PO-Revision-Date: 2024-02-11 19:51+0100\n"
 "Last-Translator: \n"
 "Language-Team: \n"
 "Language: es\n"
@@ -18,7 +18,26 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 "X-Generator: Poedit 3.0.1\n"
 
-#: 5.4/extension.js:127
+#: 5.4/extension.js:75
+#, fuzzy
+msgid "Welcome to Cinnamon Dynamic Wallpaper"
+msgstr "Fondo de pantalla dinámico de Cinnamon"
+
+#: 5.4/extension.js:76
+msgid "Check the preferences to choose a dynamic wallpaper"
+msgstr ""
+
+#: 5.4/extension.js:113
+msgid "Error!"
+msgstr ""
+
+#: 5.4/extension.js:114
+msgid ""
+"Cinnamon Dynamic Wallpaper got an error while running the loop script. "
+"Please create an issue on GitHub."
+msgstr ""
+
+#: 5.4/extension.js:139
 msgid "Open settings"
 msgstr "Abrir configuración"
 
diff --git a/cinnamon-dynamic-wallpaper@TobiZog/po/nl.po b/cinnamon-dynamic-wallpaper@TobiZog/po/nl.po
index c5e58ea..144b4d1 100644
--- a/cinnamon-dynamic-wallpaper@TobiZog/po/nl.po
+++ b/cinnamon-dynamic-wallpaper@TobiZog/po/nl.po
@@ -7,8 +7,8 @@ msgstr ""
 "Project-Id-Version: cinnamon-dynamic-wallpaper@TobiZog 2.2\n"
 "Report-Msgid-Bugs-To: https://github.com/linuxmint/cinnamon-spices-"
 "extensions/issues\n"
-"POT-Creation-Date: 2024-02-11 19:08+0100\n"
-"PO-Revision-Date: 2024-02-11 19:27+0100\n"
+"POT-Creation-Date: 2024-02-12 12:12+0100\n"
+"PO-Revision-Date: 2024-02-12 12:12+0100\n"
 "Last-Translator: \n"
 "Language-Team: \n"
 "Language: nl\n"
@@ -18,7 +18,27 @@ msgstr ""
 "Plural-Forms: nplurals=2; plural=(n != 1);\n"
 "X-Generator: Poedit 3.0.1\n"
 
-#: 5.4/extension.js:127
+#: 5.4/extension.js:75
+msgid "Welcome to Cinnamon Dynamic Wallpaper"
+msgstr "Welkom op Cinnamon Dynamic Wallpaper"
+
+#: 5.4/extension.js:76
+msgid "Check the preferences to choose a dynamic wallpaper"
+msgstr "Controleer de voorkeuren om een dynamische achtergrond te kiezen"
+
+#: 5.4/extension.js:113
+msgid "Error!"
+msgstr "Fout!"
+
+#: 5.4/extension.js:114
+msgid ""
+"Cinnamon Dynamic Wallpaper got an error while running the loop script. "
+"Please create an issue on GitHub."
+msgstr ""
+"Cinnamon Dynamic Wallpaper kreeg een fout tijdens het uitvoeren van het loop-"
+"script. Maak een ticket aan op GitHub."
+
+#: 5.4/extension.js:139
 msgid "Open settings"
 msgstr "Instellingen openen"