diff --git a/pzztool.py b/pzztool.py
index e30de4e..499f3c3 100644
--- a/pzztool.py
+++ b/pzztool.py
@@ -144,9 +144,6 @@ def pzz_compress(b):
 
 def pzz_unpack(pzz_path, dest_folder):
     # Script BMS pour les pzz de ps2 (GioGio's adventure) -> https://zenhax.com/viewtopic.php?f=9&t=8724&p=39437#p39437
-    if pzz_path.suffix != ".pzz":
-        raise("Unpack - Invalid file format" + pzz_path.suffix +
-              " ; unpack take only .pzz fileformat")
 
     if dest_folder != Path('.'):
         unpacked_pzz_path = dest_folder