diff --git a/kdesktop/ConfigureChecks.cmake b/kdesktop/ConfigureChecks.cmake
index 7e5f8a9c4..bc53ec698 100644
--- a/kdesktop/ConfigureChecks.cmake
+++ b/kdesktop/ConfigureChecks.cmake
@@ -9,6 +9,6 @@
 #
 #################################################
 
-if( WITH_PAM AND (NOT DEFINED TDESCREENSAVER_PAM_SERVICE) )
+if( WITH_PAM )
   set( TDESCREENSAVER_PAM_SERVICE "kde" CACHE INTERNAL "" )
 endif( )