diff --git a/useractions.cpp b/useractions.cpp
index eaa68961ad..3e9e549ab9 100644
--- a/useractions.cpp
+++ b/useractions.cpp
@@ -1793,7 +1793,7 @@ void Workspace::slotWindowOperations()
     showWindowMenu(QRect(pos, pos), active_client);
 }
 
-void Workspace::showWindowMenu(const QRect &pos, Client* cl)
+void Workspace::showWindowMenu(const QRect &pos, AbstractClient* cl)
 {
     m_userActionsMenu->show(pos, cl);
 }
diff --git a/workspace.h b/workspace.h
index ff94d46ae7..ad9c48da89 100644
--- a/workspace.h
+++ b/workspace.h
@@ -256,7 +256,7 @@ public:
      * Shows the menu operations menu for the client and makes it active if
      * it's not already.
      */
-    void showWindowMenu(const QRect& pos, Client* cl);
+    void showWindowMenu(const QRect& pos, AbstractClient* cl);
     const UserActionsMenu *userActionsMenu() const {
         return m_userActionsMenu;
     }