diff --git a/shell_client.cpp b/shell_client.cpp
index 98754523ed..4821a7f144 100644
--- a/shell_client.cpp
+++ b/shell_client.cpp
@@ -835,4 +835,11 @@ void ShellClient::doResizeSync()
     requestGeometry(moveResizeGeometry());
 }
 
+QMatrix4x4 ShellClient::inputTransformation() const
+{
+    QMatrix4x4 m = Toplevel::inputTransformation();
+    m.translate(-borderLeft(), -borderTop());
+    return m;
+}
+
 }
diff --git a/shell_client.h b/shell_client.h
index 64fb53ebea..9eb6794505 100644
--- a/shell_client.h
+++ b/shell_client.h
@@ -116,6 +116,8 @@ public:
     bool hasTransientPlacementHint() const override;
     QPoint transientPlacementHint() const override;
 
+    QMatrix4x4 inputTransformation() const override;
+
 protected:
     void addDamage(const QRegion &damage) override;
     bool belongsToSameApplication(const AbstractClient *other, bool active_hack) const override;