1 files changed, 1 insertions, 1 deletions
diff --git a/pkgs/development/python-modules/rtmixer/default.nix b/pkgs/development/python-modules/rtmixer/default.nix
index e1115bd818006..1d9b8114df7b3 100644
--- a/pkgs/development/python-modules/rtmixer/default.nix
+++ b/pkgs/development/python-modules/rtmixer/default.nix
@@ -17,7 +17,7 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "spatialaudio";
     repo = "python-rtmixer";
-    rev = "${version}";
+    rev = version;
     sha256 = "1bvgzzxiypvvb3qacbcry6761x9sk3dnx7jga7pli63f69vakg4y";
     fetchSubmodules = true;
   };