diff --git a/pkg/techprofile/tech_profile_if.go b/pkg/techprofile/tech_profile_if.go
index 84d84ee..9aa3cbe 100644
--- a/pkg/techprofile/tech_profile_if.go
+++ b/pkg/techprofile/tech_profile_if.go
@@ -37,7 +37,7 @@
 	GetTrafficQueues(ctx context.Context, tp *TechProfile, Dir tp_pb.Direction) ([]*tp_pb.TrafficQueue, error)
 	GetMulticastTrafficQueues(ctx context.Context, tp *TechProfile) []*tp_pb.TrafficQueue
 	GetGemportForPbit(ctx context.Context, tp interface{}, Dir tp_pb.Direction, pbit uint32) interface{}
-	FindAllTpInstances(ctx context.Context, techProfiletblID uint32, ponIntf uint32, onuID uint32) interface{}
+	FindAllTpInstances(ctx context.Context, oltDeviceID string, tpID uint32, ponIntf uint32, onuID uint32) interface{}
 	GetResourceID(ctx context.Context, IntfID uint32, ResourceType string, NumIDs uint32) ([]uint32, error)
 	FreeResourceID(ctx context.Context, IntfID uint32, ResourceType string, ReleaseContent []uint32) error
 }