diff -Naur httping-1.5.1beta/main.c httping-1.5.1beta2/main.c
--- httping-1.5.1beta/main.c	2010-08-13 16:06:41.000000000 +0300
+++ httping-1.5.1beta2/main.c	2011-05-11 11:50:15.887375403 +0300
@@ -262,6 +262,7 @@
 	SSL *ssl_h = NULL;
 	BIO *s_bio;
 	struct sockaddr_in6 bind_to;
+	struct sockaddr_in bind_to4;
 	char bind_to_valid = 0;
 	char split = 0, use_ipv6 = 0;
 	char persistent_connections = 0, persistent_did_reconnect = 0;
@@ -342,19 +343,28 @@
 				{
 					char *dummy = strchr(optarg, ':');
 
-					bind_to_valid = 1;
-
 					memset(&bind_to, 0x00, sizeof(bind_to));
+					memset(&bind_to4, 0x00, sizeof(bind_to4));
+					bind_to4.sin_family = AF_INET;
+					bind_to.sin6_family = AF_INET6;
 
 					if (dummy)
 					{
 						bind_to.sin6_port = htons(atoi(dummy + 1));
+						bind_to4.sin_port = htons(atoi(dummy + 1));
 						*dummy = 0x00;
 					}
 
 					if (inet_pton(AF_INET6, optarg, &(bind_to.sin6_addr)) != 1)
 					{
-						error_exit("cannot convert ip address '%s' (for -y)\n", optarg);
+						/* Try IPv4 fallback */
+						if (inet_pton(AF_INET, optarg, &(bind_to4.sin_addr)) != 1) {
+						    error_exit("cannot convert ip address '%s' (for -y)\n", optarg);
+						} else {
+						    bind_to_valid = 4;
+						}
+					} else {
+					    bind_to_valid = 6;
 					}
 				}
 				break;
@@ -724,8 +734,21 @@
 				have_resolved = 1;
 			}
 
-			if ((persistent_connections && fd < 0) || (!persistent_connections))
-				fd = connect_to(bind_to_valid?(struct sockaddr *)&bind_to:NULL, &ai, timeout);
+			if ((persistent_connections && fd < 0) || (!persistent_connections)) {
+				switch(bind_to_valid) {
+				    case 0:
+					fd = connect_to(NULL, &ai, timeout);
+					break;
+				    case 4:
+					fd = connect_to((struct sockaddr *)&bind_to4, &ai, timeout);
+					break;
+				    case 6:
+					fd = connect_to((struct sockaddr *)&bind_to, &ai, timeout);
+					break;
+				    default:
+					break;
+				}
+			}
 
 			if (fd == -3)	/* ^C pressed */
 				break;