diff --git a/prowler/providers/aws/services/cloudtrail/cloudtrail_service.py b/prowler/providers/aws/services/cloudtrail/cloudtrail_service.py
index b4cda543df..68895cd163 100644
--- a/prowler/providers/aws/services/cloudtrail/cloudtrail_service.py
+++ b/prowler/providers/aws/services/cloudtrail/cloudtrail_service.py
@@ -37,7 +37,7 @@ def __get_trails__(self, regional_client):
             trails_count = 0
             for trail in describe_trails:
                 # If a multi region trail was already retrieved in another region
-                if trail["TrailARN"] in self.trails.keys():
+                if self.trails and trail["TrailARN"] in self.trails.keys():
                     continue
 
                 if not self.audit_resources or (