diff --git a/openair2/COMMON/ngap_messages_types.h b/openair2/COMMON/ngap_messages_types.h
index 9df2dfaeaa..ad988a6197 100644
--- a/openair2/COMMON/ngap_messages_types.h
+++ b/openair2/COMMON/ngap_messages_types.h
@@ -438,7 +438,7 @@ typedef struct {
   uint16_t mcc;
   uint16_t mnc;
   uint8_t mnc_digit_length;
-  uint8_t num_nssai;
+  uint16_t num_nssai;
   nssai_t s_nssai[8];
 } ngap_plmn_t;