diff --git a/monkey/tests/monkey_island/stub_propagation_credentials_repository.py b/monkey/tests/monkey_island/stub_propagation_credentials_repository.py
index ccf72a9ec..73cae99bf 100644
--- a/monkey/tests/monkey_island/stub_propagation_credentials_repository.py
+++ b/monkey/tests/monkey_island/stub_propagation_credentials_repository.py
@@ -25,10 +25,7 @@ class StubPropagationCredentialsRepository(ICredentialsRepository):
         pass
 
     def get_stolen_credentials(self) -> Sequence[Credentials]:
-        return [
-            Credentials.from_mapping(PROPAGATION_CREDENTIALS_1, monkey_guid="some_guid"),
-            Credentials.from_mapping(PROPAGATION_CREDENTIALS_2, monkey_guid="second_guid"),
-        ]
+        return [PROPAGATION_CREDENTIALS_1, PROPAGATION_CREDENTIALS_2]
 
     def get_all_credentials(self) -> Sequence[Credentials]: