diff --git a/internal/pkg/mib/mib_sync.go b/internal/pkg/mib/mib_sync.go
index a74c4f0..26c0cbe 100755
--- a/internal/pkg/mib/mib_sync.go
+++ b/internal/pkg/mib/mib_sync.go
@@ -353,6 +353,7 @@
 		} else {
 			logger.Errorw(ctx, "A previous MIB Upload for this type of ONT  has failed, request for a MIB UPload", log.Fields{"device-id": oo.deviceID})
 			oo.pOpenOnuAc.ResetEntryFromMibDatabaseMap(ctx, oo.mibTemplatePath)
+			oo.pOnuDB.CommonMeDb.MeDbLock.Lock()
 			fsmMsg = cmn.LoadMibTemplateFailed
 		}
 		oo.pOpenOnuAc.UnlockMutexMibTemplateGenerated()