diff --git a/pkgs/by-name/gr/grocy/package.nix b/pkgs/by-name/gr/grocy/package.nix
index e6e22f9b967a..7773d3b37e64 100644
--- a/pkgs/by-name/gr/grocy/package.nix
+++ b/pkgs/by-name/gr/grocy/package.nix
@@ -15,7 +15,7 @@ php.buildComposerProject2 (finalAttrs: {
   src = fetchFromGitHub {
     owner = "grocy";
     repo = "grocy";
-    rev = "v${finalAttrs.version}";
+    tag = "v${finalAttrs.version}";
     hash = "sha256-aX3DMy9Jv8rNp1/VIvUtNXYXGBrCgBMs5GsDf4XXSj0=";
   };