diff --git a/pkgs/tools/misc/mc/default.nix b/pkgs/tools/misc/mc/default.nix
index 56844efc6cec..cddda2c6a62f 100644
--- a/pkgs/tools/misc/mc/default.nix
+++ b/pkgs/tools/misc/mc/default.nix
@@ -60,7 +60,7 @@ stdenv.mkDerivation rec {
   postFixup = ''
     # remove unwanted build-dependency references
     sed -i -e "s!PKG_CONFIG_PATH=''${PKG_CONFIG_PATH}!PKG_CONFIG_PATH=$(echo "$PKG_CONFIG_PATH" | sed -e 's/./0/g')!" $out/bin/mc
-
+  '' + lib.optionalString (!stdenv.isDarwin) ''
     # libX11.so is loaded dynamically so autopatch doesn't detect it
     patchelf \
       --add-needed ${libX11}/lib/libX11.so \