diff --git a/CMakeLists.txt b/CMakeLists.txt
index ac7d20e4be..0047d65730 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -13,7 +13,10 @@ option(KWIN_PLASMA_ACTIVE "Enable building KWin for Plasma Active." OFF)
 
 # Binary name of KWin
 set(KWIN_NAME "kwin")
-set(KWIN_VERSION ${KDE4WORKSPACE_VERSION})
+set(KWIN_VERSION_MAJOR 4)
+set(KWIN_VERSION_MINOR 90)
+set(KWIN_VERSION_PATCH 1)
+set(KWIN_VERSION ${KWIN_VERSION_MAJOR}.${KWIN_VERSION_MINOR}.${KWIN_VERSION_PATCH} )
 
 if(KWIN_PLASMA_ACTIVE)
     set(KWIN_BUILD_DECORATIONS OFF)