diff --git a/pkgs/by-name/j/j/package.nix b/pkgs/by-name/j/j/package.nix
index 53d18a9254c17..b4354a1626cee 100644
--- a/pkgs/by-name/j/j/package.nix
+++ b/pkgs/by-name/j/j/package.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   src = fetchFromGitHub {
     owner = "jsoftware";
     repo = "jsource";
-    rev = "${version}";
+    tag = version;
     hash = "sha256-Afa2QzzgJYijcavurgGH/qwyofNn4rtFMIHzlqJwFGU=";
   };