Index: head/crypto/openssh/ssh.c
===================================================================
--- head/crypto/openssh/ssh.c
+++ head/crypto/openssh/ssh.c
@@ -1001,6 +1001,23 @@
 	shorthost[strcspn(thishost, ".")] = '\0';
 	snprintf(portstr, sizeof(portstr), "%d", options.port);
 
+	/* Find canonic host name. */
+	if (strchr(host, '.') == 0) {
+		struct addrinfo hints;
+		struct addrinfo *ai = NULL;
+		int errgai;
+		memset(&hints, 0, sizeof(hints));
+		hints.ai_family = options.address_family;
+		hints.ai_flags = AI_CANONNAME;
+		hints.ai_socktype = SOCK_STREAM;
+		errgai = getaddrinfo(host, NULL, &hints, &ai);
+		if (errgai == 0) {
+			if (ai->ai_canonname != NULL)
+				host = xstrdup(ai->ai_canonname);
+			freeaddrinfo(ai);
+		}
+	}
+
 	if (options.local_command != NULL) {
 		debug3("expanding LocalCommand: %s", options.local_command);
 		cp = options.local_command;