diff --git a/dnsutils/dns_parser.go b/dnsutils/dns_parser.go
index 1dbc5b1c..7a46f41a 100644
--- a/dnsutils/dns_parser.go
+++ b/dnsutils/dns_parser.go
@@ -37,7 +37,7 @@ var (
 		259: "AMTRELAY", 32768: "TA", 32769: "DLV",
 	}
 	Rcodes = map[int]string{
-		0: "NOERROR", 1: "FORMERR", 2: "SERVFAIL", 3: "NXDOMAIN", 4: "NOIMP",
+		0: "NOERROR", 1: "FORMERR", 2: "SERVFAIL", 3: "NXDOMAIN", 4: "NOTIMP",
 		5: "REFUSED", 6: "YXDOMAIN", 7: "YXRRSET", 8: "NXRRSET", 9: "NOTAUTH",
 		10: "NOTZONE", 11: "DSOTYPENI", 16: "BADSIG", 17: "BADKEY",
 		18: "BADTIME", 19: "BADMODE", 20: "BADNAME", 21: "BADALG",