diff --git a/server/app.py b/server/app.py
index 9cef55e..8ec91a7 100644
--- a/server/app.py
+++ b/server/app.py
@@ -140,7 +140,8 @@ def start_mqtt_publishers(universe_count):
     print("universe count: "+str(used_universes))
     universes_to_publish = list(range(1, used_universes + 1))
     # Create and start a thread for each universe
-    threads = [threading.Thread(target=mqtt_publisher, args=(universe,)) for universe in universes_to_publish]
+    for universe in universes_to_publish:
+        threads = [threading.Thread(target=mqtt_publisher, args=(universe,))]
 
     for thread in threads:
         thread.start()