1 files changed, 1 insertions, 1 deletions
diff --git a/pkgs/tools/misc/pspg/default.nix b/pkgs/tools/misc/pspg/default.nix
index ca3016d11874..81d7591b7407 100644
--- a/pkgs/tools/misc/pspg/default.nix
+++ b/pkgs/tools/misc/pspg/default.nix
@@ -7,7 +7,7 @@ stdenv.mkDerivation rec {
   src = fetchFromGitHub {
     owner = "okbob";
     repo = "pspg";
-    rev = "${version}";
+    rev = version;
     sha256 = "1lwzyimn28a7q8k2c8z7and4qhrdil0za8lixh96z6x4lcb0rz5q";
   };