diff --git a/main.py b/main.py
index 8e1307d..1ba850d 100644
--- a/main.py
+++ b/main.py
@@ -15,7 +15,7 @@ app = Flask(__name__)
 app.config['TEMPLATES_AUTO_RELOAD'] = True
 global unifi
 
-QUEUE = Queue()
+QUEUE = Queue(1)
 VISITOR_COUNT_FILE = "visitor_count"
 
 LIB = None