diff --git a/epan/dissectors/packet-gtp.c b/epan/dissectors/packet-gtp.c
index a8b2264a1a..14a4faecec 100644
--- a/epan/dissectors/packet-gtp.c
+++ b/epan/dissectors/packet-gtp.c
@@ -6978,6 +6978,9 @@ decode_gtp_evolved_allc_rtn_p2(tvbuff_t * tvb, int offset, packet_info * pinfo _
     proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
     offset = offset + 2;
 
+	proto_tree_add_item(ext_tree, hf_gtp_nsapi, tvb, offset, 1, ENC_BIG_ENDIAN);
+	offset++;
+
     proto_tree_add_item(ext_tree, hf_gtp_earp_pvi, tvb, offset, 1, ENC_BIG_ENDIAN);
     proto_tree_add_item(ext_tree, hf_gtp_earp_pl,  tvb, offset, 1, ENC_BIG_ENDIAN);
     proto_tree_add_item(ext_tree, hf_gtp_earp_pci, tvb, offset, 1, ENC_BIG_ENDIAN);