diff --git a/config-kwin.h.cmake b/config-kwin.h.cmake
index 7cf3c97e95..a8ee77c1d4 100644
--- a/config-kwin.h.cmake
+++ b/config-kwin.h.cmake
@@ -6,7 +6,7 @@
 #cmakedefine KWIN_BUILD_ACTIVITIES 1
 #define KWIN_NAME "${KWIN_NAME}"
 #define KWIN_CONFIG "${KWIN_NAME}rc"
-#define KWIN_VERSION_STRING "${KDE4WORKSPACE_VERSION}"
+#define KWIN_VERSION_STRING "${KWIN_VERSION}"
 #cmakedefine01 HAVE_WAYLAND
 #cmakedefine01 HAVE_WAYLAND_EGL
 #cmakedefine01 HAVE_XKB