diff --git a/pkgs/games/cataclysm-dda/git.nix b/pkgs/games/cataclysm-dda/git.nix
index 504a738c8b3..9f3ac07ec6b 100644
--- a/pkgs/games/cataclysm-dda/git.nix
+++ b/pkgs/games/cataclysm-dda/git.nix
@@ -26,6 +26,7 @@ stdenv.mkDerivation rec {
   makeFlags = [
     "PREFIX=$(out) LUA=1 TILES=1 SOUND=1 RELEASE=1 USE_HOME_DIR=1"
     "LANGUAGES=all"
+    "VERSION=git-${version}-${stdenv.lib.substring 0 8 src.rev}"
   ] ++ stdenv.lib.optionals stdenv.isDarwin [
     "NATIVE=osx CLANG=1"
   ];