diff --git a/server/app.py b/server/app.py
index 0205035..632fcde 100644
--- a/server/app.py
+++ b/server/app.py
@@ -176,8 +176,10 @@ if __name__ == "__main__":
     (ti_receiver,ti_sender) = Pipe(True)
     ti_updater_thread = Process(target=tube_index_updater, args=(ti_sender, ))
     ti_updater_thread.start()
-    time.sleep(5)
+    ti_updater_thread.join()
     publisher_thread = Process(target=mqtt_publisher, args=(ti_receiver, ))
     publisher_thread.start()
+    publisher_thread.join()
     flask_thread = Process(target=flask_api)
-    flask_thread.start()
\ No newline at end of file
+    flask_thread.start()
+    flask_thread.join()
\ No newline at end of file