diff --git a/server/app.py b/server/app.py
index c914c62..1b86847 100644
--- a/server/app.py
+++ b/server/app.py
@@ -147,7 +147,7 @@ def tube_index_updater(shared_dict):
             cur.execute("SELECT mac_address, universe, dmx_address FROM tubes")
             tube_index = cur.fetchall()
             cur.close()
-            shared_dict["tube_index"] = str(tube_index)
+            shared_dict["tube_index"] = [str(tube_index)]
             print("Updated tube index with values: "+str(tube_index))
         except Exception as e:
             print(e)