diff --git a/pkgs/development/libraries/openldap/default.nix b/pkgs/development/libraries/openldap/default.nix
index b197236a649..cdef4d9a49f 100644
--- a/pkgs/development/libraries/openldap/default.nix
+++ b/pkgs/development/libraries/openldap/default.nix
@@ -38,7 +38,7 @@ stdenv.mkDerivation rec {
   '';
 
   postInstall = ''
-    chmod +x $out/lib/*.so
+    chmod +x "$out"/lib/*.{so,dylib}
   '';
 
   meta = with stdenv.lib; {