diff --git a/LCS/MessageBus/test/tPyMsgBus.run b/LCS/MessageBus/test/tPyMsgBus.run
index f54418f34f867d9aa9cc9684b68b08f4f0aff4a2..54f442aea0cebcd2b503bd2eb443a37d82f1e83e 100755
--- a/LCS/MessageBus/test/tPyMsgBus.run
+++ b/LCS/MessageBus/test/tPyMsgBus.run
@@ -3,4 +3,4 @@
 source MessageFuncs.sh
 create_queue test
 
-python tPyMsgBus.py
+python3 tPyMsgBus.py