diff --git a/src/charm.py b/src/charm.py
index 385e78d..5bacc7e 100755
--- a/src/charm.py
+++ b/src/charm.py
@@ -398,6 +398,7 @@ def grow_queues_onto_unit(self, unit) -> None:
         queue_members = [len(q["members"]) for q in api.list_quorum_queues()]
         if not queue_members:
             logging.debug("No queues found, queue growth skipped")
+            return
         queue_members.sort()
         selector = self.get_queue_growth_selector(
             queue_members[0], queue_members[-1]