diff --git a/hlna.py b/hlna.py
index 6c0270b..c680d3a 100755
--- a/hlna.py
+++ b/hlna.py
@@ -420,8 +420,7 @@ def modextract(id_mods_ark, id_game_workshop):
             modnamelen = len(modname)
             modpath = ("../../../" + "ShooterGame" + "/Content/Mods/" + id_mods_ark + "\x00").encode('utf-8')
             modpathlen = len(modpath)
-
-            modfile_bytes += struct.pack(id_mods_ark, 0, modnamelen, 1, modpathlen, 1, 1)
+            modfile_bytes += struct.pack('<LLLsLsL', id_mods_ark, 0, modnamelen, 1, modpathlen, 1, 1)
             for _ in range(nummaps):
                 mapfilelen = struct.unpack_from('<L', data, offset=pos)
                 mapfilelen = mapfilelen[0]