diff --git a/ops_bot/aws.py b/ops_bot/aws.py
index 5f2d7e7..ed8a1c6 100644
--- a/ops_bot/aws.py
+++ b/ops_bot/aws.py
@@ -92,7 +92,7 @@ def handle_cloudtrail_sts(payload: Any) -> List[Tuple[str, str]]:
         for x in [
             f"<font color={color}>**🚨 ALERT[{subject}]** </font>: {title}",
             f"- **Region**: {region}",
-            f"- **Assumed Role**: {assumed_role}",
+            (f"- **Assumed Role**: {assumed_role}" if assumed_role else None),
             f"- **Event Time**: {event_time}",
             f"- **Account ID**: {account_id}",
         ]