diff --git a/pkgs/by-name/gr/grmon/package.nix b/pkgs/by-name/gr/grmon/package.nix
index df610dec3ecb..48f9741970cf 100644
--- a/pkgs/by-name/gr/grmon/package.nix
+++ b/pkgs/by-name/gr/grmon/package.nix
@@ -5,14 +5,14 @@
   nix-update-script,
 }:
 
-buildGoModule rec {
+buildGoModule (finalAttrs: {
   pname = "grmon";
   version = "0.1";
 
   src = fetchFromGitHub {
     owner = "bcicen";
     repo = "grmon";
-    rev = "v${version}";
+    rev = "v${finalAttrs.version}";
     hash = "sha256-0J7f4DMADUut3Da0F1eTDsT1Hlk0rfInwzbcVcQNzg8=";
   };
 
@@ -35,4 +35,4 @@ buildGoModule rec {
     mainProgram = "grmon";
     maintainers = with maintainers; [ katexochen ];
   };
-}
+})