diff --git a/functions/onprem/worker/worker.go b/functions/onprem/worker/worker.go
index 259b3f06..7a11bb0c 100644
--- a/functions/onprem/worker/worker.go
+++ b/functions/onprem/worker/worker.go
@@ -52,6 +52,10 @@ var containerId string
 
 // form container id of current running container
 func getThisContainerId() string {
+	if len(containerId) > 0 {
+		return containerId
+	}
+
 	id := ""
 	cmd := fmt.Sprintf("cat /proc/self/cgroup | grep memory | tail -1 | cut -d/ -f3 | grep -o -E '[0-9A-z]{64}'")
 	out, err := exec.Command("bash", "-c", cmd).Output()