diff --git a/dlls/mscms/handle.c b/dlls/mscms/handle.c
index 84f1d8ba30f..1fec81030ce 100644
--- a/dlls/mscms/handle.c
+++ b/dlls/mscms/handle.c
@@ -60,6 +60,8 @@ void free_handle_tables( void )
     HeapFree( GetProcessHeap(), 0, transformtable );
     transformtable = NULL;
     num_transform_handles = 0;
+
+    DeleteCriticalSection( &MSCMS_handle_cs );
 }
 
 struct profile *grab_profile( HPROFILE handle )