diff --git a/pkgs/applications/misc/kupfer/default.nix b/pkgs/applications/misc/kupfer/default.nix
index 7acbd3389f9..81cba3f5637 100644
--- a/pkgs/applications/misc/kupfer/default.nix
+++ b/pkgs/applications/misc/kupfer/default.nix
@@ -14,7 +14,7 @@
 with python3Packages;
 
 buildPythonApplication rec {
-  name = "kupfer-${version}";
+  pname = "kupfer";
   version = "319";
 
   src = fetchurl {