diff --git a/src/common/filesystem.c b/src/common/filesystem.c
index 94c4972f..649ec38c 100644
--- a/src/common/filesystem.c
+++ b/src/common/filesystem.c
@@ -103,6 +103,7 @@ fsPackTypes_t fs_packtypes[] = {
 	{"pak", PAK},
 	{"pk2", PK3},
 	{"pk3", PK3},
+	{"pkz", PK3},
 	{"zip", PK3}
 };