diff --git a/src/irc.c b/src/irc.c
--- a/src/irc.c
+++ b/src/irc.c
@@ -34,33 +34,41 @@
     "KICK", NULL
 };
 
-FILE *irc_connect (char *server, unsigned int port)
+FILE *irc_connect (char *server, char *port)
 {
-    struct hostent *he;
-    char *ip;
-    struct sockaddr_in ca;
-    int csocket;
+    struct addrinfo hints;
+    struct addrinfo *result, *rp;
+
+    int csocket = -1;
     FILE *stream;
 
-    he = gethostbyname (server);
-    if (he == NULL) {
-        perror ("GETHOSTBYNAME");
+    memset (&hints, 0, sizeof (struct addrinfo));
+    hints.ai_family = AF_UNSPEC;
+    hints.ai_socktype = SOCK_STREAM;
+    hints.ai_flags = 0;
+    hints.ai_protocol = IPPROTO_TCP;
+
+    if (getaddrinfo (server, port, &hints, &result) != 0) {
+        perror ("getaddrinfo");
         return NULL;
     }
 
-    if ((ip = inet_ntoa (*((struct in_addr *)he->h_addr_list[0]))) == NULL) {
-        perror ("INET_NTOA");
-        return NULL;
-    } else
-        printf ("IP: %s\n", ip);
+    for (rp = result; rp != NULL; rp = rp->ai_next) {
+        if ((csocket = socket (rp->ai_family, rp->ai_socktype, rp->ai_protocol)) == -1)
+            continue;
 
-    ca.sin_family = AF_INET;
-    ca.sin_addr.s_addr = inet_addr (ip);
-    ca.sin_port = htons (port);
+        if (connect (csocket, rp->ai_addr, rp->ai_addrlen) != -1) {
+            fprintf (stderr, "Connected via %s\n", (rp->ai_family == AF_INET6) ? "IPv6" : "IPv4");
+            break;
+        }
+        close (csocket);
+    }
 
-    csocket = socket (AF_INET, SOCK_STREAM, IPPROTO_TCP);
-    if (connect (csocket, (struct sockaddr *)&ca, (socklen_t) sizeof (ca)) == -1) {
-        perror ("CONNECT");
+    if (result != NULL)
+        freeaddrinfo (result);
+
+    if (csocket < 0) {
+        perror ("Cannot connect");
         return NULL;
     }