diff --git a/rw_core/core/logical_device_manager.go b/rw_core/core/logical_device_manager.go
index b6493c5..37b3c3f 100644
--- a/rw_core/core/logical_device_manager.go
+++ b/rw_core/core/logical_device_manager.go
@@ -414,7 +414,7 @@
 
 	log.Debugw("setupUNILogicalPorts", log.Fields{"logDeviceId": logDeviceId, "parentId": parentId})
 
-	if parentId == "" || logDeviceId == nil {
+	if parentId == "" || logDeviceId == nil || *logDeviceId == "" {
 		return errors.New("device-in-invalid-state")
 	}