diff --git a/lib/url.c b/lib/url.c
index afd66a4c7..76c2c732b 100644
--- a/lib/url.c
+++ b/lib/url.c
@@ -1989,7 +1989,7 @@ static CURLcode Connect(struct UrlData *data,
    * IPv6-specified addresses in the [0::1] style.
    *************************************************************/
 
-  if((1 == sscanf(conn->name, "[%*39[0-9a-fA-F:]%c", &endbracket)) &&
+  if((1 == sscanf(conn->name, "[%*39[0-9a-fA-F:.]%c", &endbracket)) &&
      (']' == endbracket)) {
     /* this is a IPv6-style specified IP-address */
 #ifndef ENABLE_IPV6