diff --git a/openair3/NAS/COMMON/ESM/MSG/PduSessionEstablishRequest.c b/openair3/NAS/COMMON/ESM/MSG/PduSessionEstablishRequest.c
index bc4d34d650..1c9198b720 100644
--- a/openair3/NAS/COMMON/ESM/MSG/PduSessionEstablishRequest.c
+++ b/openair3/NAS/COMMON/ESM/MSG/PduSessionEstablishRequest.c
@@ -54,6 +54,8 @@ int encode_pdu_session_establishment_request(pdu_session_establishment_request_m
   encoded++;
 
   IES_ENCODE_U16(buffer, encoded, pdusessionestablishrequest->maxdatarate);
+  *(buffer + encoded) = pdusessionestablishrequest->pdusessiontype;
+  encoded++;
 
   return encoded;
 }
diff --git a/openair3/NAS/COMMON/ESM/MSG/PduSessionEstablishRequest.h b/openair3/NAS/COMMON/ESM/MSG/PduSessionEstablishRequest.h
index ac5b250f66..e2742ebc38 100644
--- a/openair3/NAS/COMMON/ESM/MSG/PduSessionEstablishRequest.h
+++ b/openair3/NAS/COMMON/ESM/MSG/PduSessionEstablishRequest.h
@@ -53,6 +53,7 @@ typedef struct pdu_session_establishment_request_msg_tag {
     uint8_t                                 pti;
     MessageType                             pdusessionestblishmsgtype;
     uint16_t                                maxdatarate;
+    uint8_t                                 pdusessiontype;
     /* Optional fields */
 } pdu_session_establishment_request_msg;