diff --git a/prowler/providers/aws/lib/mutelist/mutelist.py b/prowler/providers/aws/lib/mutelist/mutelist.py
index e8cda50fd0..b94893a9c9 100644
--- a/prowler/providers/aws/lib/mutelist/mutelist.py
+++ b/prowler/providers/aws/lib/mutelist/mutelist.py
@@ -14,7 +14,7 @@ class MutelistAWS(Mutelist):
     def __init__(
         self,
         mutelist_content: dict = {},
-        mutelist_path: str = "",
+        mutelist_path: str = None,
         session: Session = None,
         aws_account_id: str = "",
     ) -> "MutelistAWS":
diff --git a/tests/providers/aws/lib/mutelist/aws_mutelist_test.py b/tests/providers/aws/lib/mutelist/aws_mutelist_test.py
index 213224b518..cce8ae8ca7 100644
--- a/tests/providers/aws/lib/mutelist/aws_mutelist_test.py
+++ b/tests/providers/aws/lib/mutelist/aws_mutelist_test.py
@@ -316,7 +316,8 @@ def test_validate_mutelist_not_valid_key(self):
         mutelist = MutelistAWS(mutelist_content=mutelist_fixture)
 
         assert not mutelist.validate_mutelist()
-        assert mutelist.mutelist == mutelist_fixture
+        assert mutelist.mutelist == {}
+        assert mutelist.mutelist_file_path is None
 
     def test_mutelist_findings_only_wildcard(self):
         # Mutelist