diff --git a/pkgs/tools/inputmethods/fcitx5/fcitx5-lua.nix b/pkgs/tools/inputmethods/fcitx5/fcitx5-lua.nix
index 5bf1cc76632..6184ea36549 100644
--- a/pkgs/tools/inputmethods/fcitx5/fcitx5-lua.nix
+++ b/pkgs/tools/inputmethods/fcitx5/fcitx5-lua.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
   src = fetchFromGitHub {
     owner = "fcitx";
     repo = "fcitx5-lua";
-    rev = "${version}";
+    rev = version;
     sha256 = "sha256-lFlHn2q/kpq1EIKKhYVdJofXqtOHnpLz7PoWuNAhmhE=";
   };