diff --git a/monkey/monkey_island/cc/resources/credentials/configured_propagation_credentials.py b/monkey/monkey_island/cc/resources/credentials/configured_propagation_credentials.py
index dad2592c6..fcb6839b3 100644
--- a/monkey/monkey_island/cc/resources/credentials/configured_propagation_credentials.py
+++ b/monkey/monkey_island/cc/resources/credentials/configured_propagation_credentials.py
@@ -21,6 +21,8 @@ class ConfiguredPropagationCredentials(AbstractResource):
     def post(self):
         credentials = Credentials.from_mapping(request.json)
         self._credentials_repository.save_configured_credentials(credentials)
+        return {}, 204
 
     def delete(self):
         self._credentials_repository.remove_configured_credentials()
+        return {}, 204
diff --git a/monkey/monkey_island/cc/resources/credentials/stolen_propagation_credentials.py b/monkey/monkey_island/cc/resources/credentials/stolen_propagation_credentials.py
index 74d509721..e733b2297 100644
--- a/monkey/monkey_island/cc/resources/credentials/stolen_propagation_credentials.py
+++ b/monkey/monkey_island/cc/resources/credentials/stolen_propagation_credentials.py
@@ -21,6 +21,8 @@ class StolenPropagationCredentials(AbstractResource):
     def post(self):
         credentials = Credentials.from_mapping(request.json)
         self._credentials_repository.save_stolen_credentials(credentials)
+        return {}, 204
 
     def delete(self):
         self._credentials_repository.remove_stolen_credentials()
+        return {}, 204