diff --git a/tests/RobotFramework/tests/cumulocity/shell/c8y_Command b/tests/RobotFramework/tests/cumulocity/shell/c8y_Command
index b0e961c1a1..6b0fa961b4 100644
--- a/tests/RobotFramework/tests/cumulocity/shell/c8y_Command
+++ b/tests/RobotFramework/tests/cumulocity/shell/c8y_Command
@@ -1,4 +1,4 @@
 [exec]
-topic = "c8y/s/ds"
+topic ="${.bridge.topic_prefix}/s/ds" 
 on_message = "511"
-command = "/etc/tedge/operations/command"
\ No newline at end of file
+command = "/etc/tedge/operations/command"