diff --git a/js/ui/extensionSystem.js b/js/ui/extensionSystem.js
index f88307047..d6e399abf 100644
--- a/js/ui/extensionSystem.js
+++ b/js/ui/extensionSystem.js
@@ -184,6 +184,14 @@ function gotExtensionZipFile(session, message, uuid) {
 
     GLib.child_watch_add(GLib.PRIORITY_DEFAULT, pid, function(pid, status) {
         GLib.spawn_close_pid(pid);
+
+        // Add extension to 'enabled-extensions' for the user, always...
+        let enabledExtensions = global.settings.get_strv(ENABLED_EXTENSIONS_KEY);
+        if (enabledExtensions.indexOf(uuid) == -1) {
+            enabledExtensions.push(uuid);
+            global.settings.set_strv(ENABLED_EXTENSIONS_KEY, enabledExtensions);
+        }
+
         loadExtension(dir, true, ExtensionType.PER_USER);
     });
 }