diff --git a/pkgs/development/tools/goperf/default.nix b/pkgs/development/tools/goperf/default.nix
index ed1a6c1a23b7..ffb644aaea40 100644
--- a/pkgs/development/tools/goperf/default.nix
+++ b/pkgs/development/tools/goperf/default.nix
@@ -8,7 +8,7 @@
 
 buildGoModule rec {
   pname = "goperf";
-  version = "unstable-2023-11-08";
+  version = "0-unstable-2023-11-08";
 
   src = fetchgit {
     url = "https://go.googlesource.com/perf";
@@ -22,8 +22,8 @@ buildGoModule rec {
     export UPDATE_NIX_ATTR_PATH=goperf
     ${lib.escapeShellArgs (unstableGitUpdater { inherit (src) url; })}
     set -x
-    oldhash="$(nix-instantiate . --eval --strict -A "goperf.go-modules.drvAttrs.outputHash" | cut -d'"' -f2)"
-    newhash="$(nix-build -A goperf.go-modules --no-out-link 2>&1 | tail -n3 | grep 'got:' | cut -d: -f2- | xargs echo || true)"
+    oldhash="$(nix-instantiate . --eval --strict -A "goperf.goModules.drvAttrs.outputHash" | cut -d'"' -f2)"
+    newhash="$(nix-build -A goperf.goModules --no-out-link 2>&1 | tail -n3 | grep 'got:' | cut -d: -f2- | xargs echo || true)"
     fname="$(nix-instantiate --eval -E 'with import ./. {}; (builtins.unsafeGetAttrPos "version" goperf).file' | cut -d'"' -f2)"
     ${lib.getExe sd} --string-mode "$oldhash" "$newhash" "$fname"
   '';