diff --git a/pkgs/development/tools/xcbuild/toolchains.nix b/pkgs/development/tools/xcbuild/toolchains.nix
index 59e009a43386..92ff35ac8b53 100644
--- a/pkgs/development/tools/xcbuild/toolchains.nix
+++ b/pkgs/development/tools/xcbuild/toolchains.nix
@@ -67,5 +67,6 @@ runCommand "Toolchains" {} (''
   done
 
   ln -s ${buildPackages.darwin.bootstrap_cmds}/bin/mig $toolchain/bin
+  ln -s ${buildPackages.darwin.bootstrap_cmds}/libexec/migcom $toolchain/libexec
   ln -s ${mkdep-darwin-src} $toolchain/bin/mkdep
 '')