diff --git a/src/kcmkwin/kwincompositing/main.cpp b/src/kcmkwin/kwincompositing/main.cpp
index 8c70b0f1a9..d004fb0648 100644
--- a/src/kcmkwin/kwincompositing/main.cpp
+++ b/src/kcmkwin/kwincompositing/main.cpp
@@ -15,7 +15,7 @@
 #include <QApplication>
 #include <QLayout>
 
-#include <KWindowSystem/KWindowSystem>
+#include <KWindowSystem>
 #include <kcmodule.h>
 #include <kservice.h>