diff --git a/Source/cmDynamicLoader.cxx b/Source/cmDynamicLoader.cxx
index f031049afb..0298f19420 100644
--- a/Source/cmDynamicLoader.cxx
+++ b/Source/cmDynamicLoader.cxx
@@ -181,6 +181,7 @@ cmLibHandle cmDynamicLoader::OpenLibrary(const char* libname )
 
 int cmDynamicLoader::CloseLibrary(cmLibHandle lib)
 {
+  NSUnLinkModule(lib, FALSE);
   return 0;
 }