diff --git a/server.py b/server.py
index 9745ea9..98cb13e 100644
--- a/server.py
+++ b/server.py
@@ -190,7 +190,7 @@ async def monitor_state_transitions(app):
                     if open_duration_minutes >= threshold and threshold not in OPEN_ALERTS_SENT_FOR_CURRENT_OPENING:
                         logging.info(f"ALERT: Garage door has been open for {threshold} minutes.")
                         OPEN_ALERTS_SENT_FOR_CURRENT_OPENING.append(threshold)
-            else:
+            elif current_state == 'closed':
                 DOOR_OPEN_START_TIME = None
                 OPEN_ALERTS_SENT_FOR_CURRENT_OPENING = []