diff --git a/data/dbus-interfaces/org.freedesktop.impl.portal.PermissionStore.xml b/data/dbus-interfaces/org.freedesktop.impl.portal.PermissionStore.xml
index 75fbc468a..55d3fc30c 100644
--- a/data/dbus-interfaces/org.freedesktop.impl.portal.PermissionStore.xml
+++ b/data/dbus-interfaces/org.freedesktop.impl.portal.PermissionStore.xml
@@ -13,6 +13,13 @@
       <arg name="app_permissions" type="a{sas}" direction="in"/>
       <arg name="data" type="v" direction="in"/>
     </method>
+    <method name="SetPermission">
+      <arg name='table' type='s' direction='in'/>
+      <arg name='create' type='b' direction='in'/>
+      <arg name='id' type='s' direction='in'/>
+      <arg name='app' type='s' direction='in'/>
+      <arg name='permissions' type='as' direction='in'/>
+    </method>
     <signal name="Changed">
       <arg name="table" type="s" direction="out"/>
       <arg name="id" type="s" direction="out"/>
diff --git a/js/ui/inhibitShortcutsDialog.js b/js/ui/inhibitShortcutsDialog.js
index f37c1f605..b6f1330b2 100644
--- a/js/ui/inhibitShortcutsDialog.js
+++ b/js/ui/inhibitShortcutsDialog.js
@@ -1,5 +1,5 @@
 /* exported InhibitShortcutsDialog */
-const { Clutter, Gio, GLib, GObject, Gtk, Meta, Pango, Shell, St } = imports.gi;
+const {Clutter, Gio, GObject, Gtk, Meta, Pango, Shell, St} = imports.gi;
 
 const Dialog = imports.ui.dialog;
 const ModalDialog = imports.ui.modalDialog;
@@ -57,16 +57,12 @@ var InhibitShortcutsDialog = GObject.registerClass({
         if (!this._shouldUsePermStore() || this._permStore == null)
             return;
 
-        let permissions = {};
-        permissions[this._app.get_id()] = [grant];
-        let data = GLib.Variant.new('av', {});
-
         try {
-            await this._permStore.SetAsync(APP_PERMISSIONS_TABLE,
+            await this._permStore.SetPermissionAsync(APP_PERMISSIONS_TABLE,
                 true,
                 APP_PERMISSIONS_ID,
-                permissions,
-                data);
+                this._app.get_id(),
+                [grant]);
         } catch (error) {
             log(error.message);
         }