diff --git a/rw_core/core/device_manager.go b/rw_core/core/device_manager.go
index 34fc956..e50c035 100644
--- a/rw_core/core/device_manager.go
+++ b/rw_core/core/device_manager.go
@@ -38,7 +38,7 @@
 	kafkaICProxy        *kafka.InterContainerProxy
 	stateTransitions    *TransitionMap
 	clusterDataProxy    *model.Proxy
-	coreInstanceId string
+	coreInstanceId      string
 	exitChannel         chan int
 	lockDeviceAgentsMap sync.RWMutex
 }