diff --git a/pkgs/games/keen4/builder.sh b/pkgs/games/keen4/builder.sh
index bb7643f04648..f9c62c83ddd3 100644
--- a/pkgs/games/keen4/builder.sh
+++ b/pkgs/games/keen4/builder.sh
@@ -19,7 +19,7 @@ cd \$HOME/.keen4
 
 ln -sf $out/share/keen4/* .
 
-dosbox ./KEEN4E.EXE -fullscreen -exit || true
+$dosbox/bin/dosbox ./KEEN4E.EXE -fullscreen -exit || true
 
 # Cleanup the symlinks.
 for i in *; do