diff --git a/include/proto/dns.h b/include/proto/dns.h
index 80887e86c3..4ccbfa0c7b 100644
--- a/include/proto/dns.h
+++ b/include/proto/dns.h
@@ -44,6 +44,6 @@ void dns_print_current_resolutions(struct dns_resolvers *resolvers);
 void dns_update_resolvers_timeout(struct dns_resolvers *resolvers);
 void dns_reset_resolution(struct dns_resolution *resolution);
 int dns_check_resolution_queue(struct dns_resolvers *resolvers);
-int dns_response_get_query_id(unsigned char *resp);
+unsigned short dns_response_get_query_id(unsigned char *resp);
 
 #endif // _PROTO_DNS_H
diff --git a/src/dns.c b/src/dns.c
index 1348be3d97..0d8d305c6d 100644
--- a/src/dns.c
+++ b/src/dns.c
@@ -796,7 +796,7 @@ int dns_get_ip_from_response(unsigned char *resp, unsigned char *resp_end,
 /*
  * returns the query id contained in a DNS response
  */
-int dns_response_get_query_id(unsigned char *resp)
+unsigned short dns_response_get_query_id(unsigned char *resp)
 {
 	/* read the query id from the response */
 	return resp[0] * 256 + resp[1];