diff --git a/internal/pkg/devdb/onu_device_db.go b/internal/pkg/devdb/onu_device_db.go
index 96b8eb9..3cc782b 100755
--- a/internal/pkg/devdb/onu_device_db.go
+++ b/internal/pkg/devdb/onu_device_db.go
@@ -337,7 +337,7 @@
 		OnuDeviceDB.OnuSpecificMeDb[meClassID][meEntityID] = meAttributes
 	} else {
 		meAttribs, ok := OnuDeviceDB.OnuSpecificMeDb[meClassID][meEntityID]
-		if !ok {
+		if !ok || meAttribs == nil {
 			OnuDeviceDB.OnuSpecificMeDb[meClassID][meEntityID] = make(me.AttributeValueMap)
 			OnuDeviceDB.OnuSpecificMeDb[meClassID][meEntityID] = meAttributes
 		} else {