diff --git a/pkgs/games/pong3d/default.nix b/pkgs/games/pong3d/default.nix
index 24baff5394a8..d5f9ca6ee23d 100644
--- a/pkgs/games/pong3d/default.nix
+++ b/pkgs/games/pong3d/default.nix
@@ -1,7 +1,7 @@
 {stdenv, fetchurl, libX11}:
 
 stdenv.mkDerivation {
-  name = "3dpong-0.5.0";
+  name = "3dpong-0.5";
   src = fetchurl {
     url = ftp://ftp.tuxpaint.org/unix/x/3dpong/src/3dpong-0.5.tar.gz;
     sha256 = "1ibb79sbzlbn4ra3n0qk22gqr6fg7q0jy6cm0wg2qj4z64c7hmdi";