diff --git a/docs/changelog.md b/docs/changelog.md
index 2e77a9d9..fb645183 100644
--- a/docs/changelog.md
+++ b/docs/changelog.md
@@ -16,6 +16,7 @@ SPDX-License-Identifier: CC-BY-4.0
 #### Bug Fixes
 
 - Fixed selecting items on GNOME 46 requiring two clicks.
+- Fixed a bug which caused achievement notifications to be not shown on GNOME 46.
 
 ## [Fly-Pie 25](https://github.com/schneegans/fly-pie/releases/tag/v25)
 
diff --git a/src/common/utils.js b/src/common/utils.js
index 982eaaa3..9b883f15 100644
--- a/src/common/utils.js
+++ b/src/common/utils.js
@@ -25,6 +25,50 @@ import PangoCairo from 'gi://PangoCairo';
 const St  = await importInShellOnly('gi://St');
 const Gtk = await importInPrefsOnly('gi://Gtk');
 
+// We import the Config module. This is done differently in the GNOME Shell process and in
+// the preferences process.
+const Config = await importConfig();
+
+//////////////////////////////////////////////////////////////////////////////////////////
+// Two methods for checking the current version of GNOME Shell.                         //
+//////////////////////////////////////////////////////////////////////////////////////////
+
+// Returns the given argument, except for "alpha", "beta", and "rc". In these cases -3,
+// -2, and -1 are returned respectively.
+function toNumericVersion(x) {
+  switch (x) {
+    case 'alpha':
+      return -3;
+    case 'beta':
+      return -2;
+    case 'rc':
+      return -1;
+  }
+  return x;
+}
+
+const [GS_MAJOR, GS_MINOR] = Config.PACKAGE_VERSION.split('.').map(toNumericVersion);
+
+// This method returns true if the current GNOME Shell version matches the given
+// arguments.
+export function shellVersionIs(major, minor) {
+  return GS_MAJOR == major && GS_MINOR == toNumericVersion(minor);
+}
+
+// This method returns true if the current GNOME Shell version is at least as high as the
+// given arguments. Supports "alpha" and "beta" for the minor version number.
+export function shellVersionIsAtLeast(major, minor = 0) {
+  if (GS_MAJOR > major) {
+    return true;
+  }
+
+  if (GS_MAJOR == major) {
+    return GS_MINOR >= toNumericVersion(minor);
+  }
+
+  return false;
+}
+
 //////////////////////////////////////////////////////////////////////////////////////////
 // This method can be used to write a message to GNOME Shell's log. This is enhances    //
 // the standard log() functionality by prepending the extension's name and the location //
@@ -85,6 +129,17 @@ export async function importGettext() {
   return (await import('resource:///org/gnome/shell/extensions/extension.js')).gettext;
 }
 
+//////////////////////////////////////////////////////////////////////////////////////////
+// This method can be used to import the Config module.                                 //
+//////////////////////////////////////////////////////////////////////////////////////////
+
+export async function importConfig() {
+  if (typeof global === 'undefined') {
+    return (await import('resource:///org/gnome/Shell/Extensions/js/misc/config.js'));
+  }
+  return (await import('resource:///org/gnome/shell/misc/config.js'));
+}
+
 //////////////////////////////////////////////////////////////////////////////////////////
 // Returns the path to the extension's directory. This is useful to load resources from //
 // the extension's directory.                                                           //
diff --git a/src/extension/Daemon.js b/src/extension/Daemon.js
index f739b545..ba5f3e1d 100644
--- a/src/extension/Daemon.js
+++ b/src/extension/Daemon.js
@@ -591,17 +591,25 @@ export default class Daemon {
   // of the icon seems to depend on the currently used theme and cannot be set from here.
   // The notification will also contain a hard-coded button which opens the achievements
   // page of the settings dialog.
-  _notify(label, details, gicon) {
+  _notify(title, body, gicon) {
 
     if (this._settings.get_boolean('achievement-notifications')) {
-      const source = new Source('Fly-Pie', '');
-      Main.messageTray.add(source);
 
-      const n = new Notification(source, label, details, {gicon: gicon});
+      let source, notification;
+
+      if (utils.shellVersionIsAtLeast(46)) {
+        source       = new Source({title: 'Fly-Pie'});
+        notification = new Notification({source, title, body, gicon: gicon});
+      } else {
+        source       = new Source('Fly-Pie', '');
+        notification = new Notification(source, title, body, {gicon: gicon});
+      }
+
+      Main.messageTray.add(source);
 
       // Translators: This is shown on the action button of the notification bubble which
       // is shown once an achievement is unlocked.
-      n.addAction(_('Show Achievements'), () => {
+      notification.addAction(_('Show Achievements'), () => {
         // Make sure the achievements page is shown.
         this._settings.set_string('active-stack-child', 'achievements-page');
 
@@ -609,7 +617,11 @@ export default class Daemon {
         Main.extensionManager.openExtensionPrefs(this._metadata.uuid, '');
       });
 
-      source.showNotification(n);
+      if (source.addNotification) {
+        source.addNotification(notification);
+      } else {
+        source.showNotification(notification);
+      }
     }
   }
 };
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