diff --git a/pkgs/by-name/oc/octorus/package.nix b/pkgs/by-name/oc/octorus/package.nix
index d4b221ecabae..3f9d1cfb41a7 100644
--- a/pkgs/by-name/oc/octorus/package.nix
+++ b/pkgs/by-name/oc/octorus/package.nix
@@ -12,7 +12,7 @@ rustPlatform.buildRustPackage (finalAttrs: {
   src = fetchFromGitHub {
     owner = "ushironoko";
     repo = "octorus";
-    rev = "v${finalAttrs.version}";
+    tag = "v${finalAttrs.version}";
     hash = "sha256-20HVES8XgZEgKIijTzo9rV5IRfhyZlY1noX6yHSUf8g=";
   };