diff --git a/internal/gmm/handler.go b/internal/gmm/handler.go
index dc65b1b8..b9da73f7 100644
--- a/internal/gmm/handler.go
+++ b/internal/gmm/handler.go
@@ -1120,12 +1120,19 @@ func handleRequestedNssai(ue *context.AmfUe, anType models.AccessType) error {
 				needSliceSelection = true
 				break
 			}
-			
-			reqSnssai := models.Snssai{
+
+			reqSnssai := models.Snssai {
 				Sst: requestedSnssai.ServingSnssai.Sst,
 				Sd:  requestedSnssai.ServingSnssai.Sd,
 			}
 
+			if !amfSelf.InPlmnSupportList(reqSnssai) {
+				needSliceSelection = true
+				break
+			}
+
+		}
+
 			if !amfSelf.InPlmnSupportList(reqSnssai) {
 				needSliceSelection = true
 				break
diff --git a/internal/sbi/consumer/nf_discovery.go b/internal/sbi/consumer/nf_discovery.go
index 421d4a0c..be8f7daf 100644
--- a/internal/sbi/consumer/nf_discovery.go
+++ b/internal/sbi/consumer/nf_discovery.go
@@ -99,6 +99,9 @@ func SearchAmfCommunicationInstance(ue *amf_context.AmfUe, nrfUri string, target
 	// select the first AMF, TODO: select base on other info
 	var amfUri string
 	for _, nfProfile := range resp.NfInstances {
+		if nfProfile.NfInstanceId == amf_context.GetSelf().NfId {
+			continue
+		}
 		ue.TargetAmfProfile = &nfProfile
 		amfUri = util.SearchNFServiceUri(nfProfile, models.ServiceName_NAMF_COMM, models.NfServiceStatus_REGISTERED)
 		if amfUri != "" {