diff --git a/src/shopsync.lua b/src/shopsync.lua
index 8cf840d..6715eb2 100644
--- a/src/shopsync.lua
+++ b/src/shopsync.lua
@@ -77,6 +77,6 @@
     end
 
     -- Transmit & wait
-    txModem.transmit(BROADCAST_CHANNEL, BROADCAST_CHANNEL, txMsg)
+    txModem.transmit(BROADCAST_CHANNEL, os.getComputerID(), txMsg)
     sleep(BROADCAST_INTERVAL_SEC)
-end
\ No newline at end of file
+end