diff --git a/server/app.py b/server/app.py
index fbc1b0e..f58a628 100644
--- a/server/app.py
+++ b/server/app.py
@@ -124,6 +124,7 @@ def start_mqtt_publishers(universe_count):
         while True:
             try:
                 for universe in universe_list:
+                    universe = universe - 1
                     # Gets whatever the last Art-Net packet we received is
                     artNetPacket = artNet.readPacket()
                     # Make sure we actually *have* a packet