diff --git a/pkgs/os-specific/darwin/apple-source-releases/libdispatch/default.nix b/pkgs/os-specific/darwin/apple-source-releases/libdispatch/default.nix
index 56c00557d43..fe65e290717 100644
--- a/pkgs/os-specific/darwin/apple-source-releases/libdispatch/default.nix
+++ b/pkgs/os-specific/darwin/apple-source-releases/libdispatch/default.nix
@@ -8,6 +8,6 @@ appleDerivation {
 
     cp -r dispatch/*.h $out/include/dispatch
     cp -r private/*.h  $out/include/dispatch
-    cp -r os/object.h  $out/include/os
+    cp -r os/object*.h  $out/include/os
   '';
 }