diff --git a/src/newconf.c b/src/newconf.c
index a8462e161..e36882f2f 100644
--- a/src/newconf.c
+++ b/src/newconf.c
@@ -1674,7 +1674,7 @@ conf_report_error(const char *fmt, ...)
 	char msg[IRCD_BUFSIZE + 1] = { 0 };
 
 	va_start(ap, fmt);
-	ircvsnprintf(msg, IRCD_BUFSIZE, fmt, ap);
+	rb_vsnprintf(msg, IRCD_BUFSIZE, fmt, ap);
 	va_end(ap);
 
 	if (testing_conf)