diff --git a/src/http-mserv.c b/src/http-mserv.c
index a0912a81e..0ab16f989 100644
--- a/src/http-mserv.c
+++ b/src/http-mserv.c
@@ -197,7 +197,9 @@ HMS_connect (const char *format, ...)
 	curl_easy_setopt(curl, CURLOPT_URL, url);
 	curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);
 
+#ifndef NO_IPV6
 	if (M_CheckParm("-noipv6"))
+#endif
 		curl_easy_setopt(curl, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4);
 
 	curl_easy_setopt(curl, CURLOPT_TIMEOUT, cv_masterserver_timeout.value);