diff --git a/pkgs/top-level/release-cross.nix b/pkgs/top-level/release-cross.nix
index 67f3d55fa167..a7adb3ffedc2 100644
--- a/pkgs/top-level/release-cross.nix
+++ b/pkgs/top-level/release-cross.nix
@@ -50,7 +50,7 @@ in
     in assertTrue (
         f path { inherit system; }
         ==
-        f (["buildPackages"] ++ path) { inherit system crossSystem; };
+        f (["buildPackages"] ++ path) { inherit system crossSystem; }
       );
 
     testEqual = path: systems: forAllSupportedSystems systems (testEqualOne path);