diff --git a/pkgs/applications/version-management/git-and-tools/git-sync/default.nix b/pkgs/applications/version-management/git-and-tools/git-sync/default.nix
index 7683feb8cf4..68a5c9cd87b 100644
--- a/pkgs/applications/version-management/git-and-tools/git-sync/default.nix
+++ b/pkgs/applications/version-management/git-and-tools/git-sync/default.nix
@@ -28,9 +28,7 @@ stdenv.mkDerivation rec {
     gnused
   ];
 
-  fixupPhase = ''
-    patchShebangs $out/bin
-
+  postFixup = ''
     wrap_path="${wrapperPath}":$out/bin
 
     wrapProgram $out/bin/git-sync \