diff --git a/my-packages/my-games.scm b/my-packages/my-games.scm
index 997f4ae..52a7982 100644
--- a/my-packages/my-games.scm
+++ b/my-packages/my-games.scm
@@ -219,7 +219,7 @@ strife, chex quest, and fan-created games like harmony, hacx and freedoom.")
 		    (search-path
 		     (map (cut string-append <> "/my-packages/patches")
 			  %load-path)
-		     "barony-fix-change-install-directories")))))
+		     "barony-fix-change-install-directories.patch")))))
    (build-system cmake-build-system)
    (arguments
     '(#:configure-flags