diff --git a/src/dispatch/plugins/dispatch_slack/service.py b/src/dispatch/plugins/dispatch_slack/service.py
index 2eaa644d8b5d..1f1877b9561f 100644
--- a/src/dispatch/plugins/dispatch_slack/service.py
+++ b/src/dispatch/plugins/dispatch_slack/service.py
@@ -71,9 +71,9 @@ def emails_to_user_ids(client: WebClient, participants: list[str]) -> list[str]:
             if e.response["error"] == SlackAPIErrorCode.USERS_NOT_FOUND:
                 log.warning(msg)
                 continue
-
-            log.exception(msg)
-            continue
+            else:
+                log.exception(msg)
+                continue
         else:
             user_ids.append(user_id)