diff --git a/gtests/net/packetdrill/parser.y b/gtests/net/packetdrill/parser.y
index d89c874eb65ebb968bbd3bcd3e191d5093b548e9..398aae264e0bf380e6501a69df61960c70de6d5c 100644
--- a/gtests/net/packetdrill/parser.y
+++ b/gtests/net/packetdrill/parser.y
@@ -1081,6 +1081,9 @@ chunk_type
 | SACK {
 	$$ = SCTP_SACK_CHUNK_TYPE;
 }
+| NR_SACK {
+	$$ = SCTP_NR_SACK_CHUNK_TYPE;
+}
 | HEARTBEAT {
 	$$ = SCTP_HEARTBEAT_CHUNK_TYPE;
 }