diff --git a/data/dbus-interfaces/org.gnome.Shell.Extensions.xml b/data/dbus-interfaces/org.gnome.Shell.Extensions.xml
index eb7be8f1a..ab80c1096 100644
--- a/data/dbus-interfaces/org.gnome.Shell.Extensions.xml
+++ b/data/dbus-interfaces/org.gnome.Shell.Extensions.xml
@@ -199,14 +199,37 @@
 
     <!--
         LaunchExtensionPrefs:
-        @uuid: The UUID of the extension
-
-        Launch preferences of an extension.
+        Deprecated for OpenExtensionPrefs
     -->
     <method name="LaunchExtensionPrefs">
       <arg type="s" direction="in" name="uuid"/>
     </method>
 
+    <!--
+        OpenExtensionPrefs:
+        @uuid: The UUID of the extension
+        @parent_window: Identifier for the application window
+        @options: Vardict with further options
+
+        Opens the prefs dialog of extension @uuid.
+
+        The following @options are recognized:
+
+        <variablelist>
+          <varlistentry>
+            <term>modal b</term>
+            <listitem>
+              <para>Whether the prefs window should be modal, default: false</para>
+            </listitem>
+          </varlistentry>
+        </variablelist>
+    -->
+    <method name="OpenExtensionPrefs">
+      <arg type="s" direction="in" name="uuid"/>
+      <arg type="s" direction="in" name="parent_window"/>
+      <arg type="a{sv}" direction="in" name="options"/>
+    </method>
+
     <!--
         CheckForUpdates:
         Update all extensions for which updates are available
diff --git a/js/ui/shellDBus.js b/js/ui/shellDBus.js
index 691019b42..983a88712 100644
--- a/js/ui/shellDBus.js
+++ b/js/ui/shellDBus.js
@@ -312,6 +312,10 @@ var GnomeShellExtensions = class {
     }
 
     LaunchExtensionPrefs(uuid) {
+        this.OpenExtensionPrefs(uuid, '', {});
+    }
+
+    OpenExtensionPrefs(uuid, _parentWindow, _options) {
         let appSys = Shell.AppSystem.get_default();
         let app = appSys.lookup_app('org.gnome.Extensions.desktop');
         let info = app.get_app_info();