diff --git a/kcmkwin/CMakeLists.txt b/kcmkwin/CMakeLists.txt
index 40acf5c892..0a335a3991 100644
--- a/kcmkwin/CMakeLists.txt
+++ b/kcmkwin/CMakeLists.txt
@@ -1,6 +1,6 @@
 remove_definitions(-DQT_NO_CAST_FROM_ASCII -DQT_STRICT_ITERATORS -DQT_NO_CAST_FROM_BYTEARRAY -DQT_NO_KEYWORDS)
 
-# add_subdirectory( kwinoptions )
+add_subdirectory( kwinoptions )
 # add_subdirectory( kwindecoration )
 # add_subdirectory( kwinrules )
 # add_subdirectory( kwincompositing )