diff --git a/mpq/__init__.py b/mpq/__init__.py
index 7359704..5ca5da8 100644
--- a/mpq/__init__.py
+++ b/mpq/__init__.py
@@ -89,7 +89,7 @@ def is_patched(self):
 		Returns whether at least one of the archives in the MPQFile has been patched.
 		"""
 		for mpq in self._archives:
-			if storm.SFileIsPatchedArchive(mpq, name):
+			if storm.SFileIsPatchedArchive(mpq):
 				return True
 		return False