Index: tests/OFTCPSocket/OFTCPSocket.m
==================================================================
--- tests/OFTCPSocket/OFTCPSocket.m
+++ tests/OFTCPSocket/OFTCPSocket.m
@@ -76,16 +76,16 @@
 		[server close];
 
 		puts("== IPv6 ==");
 		port = get_port();
 
-		[server bindOn: "localhost"
+		[server bindOn: "::1"
 		      withPort: port
 		     andFamily: AF_INET6];
 		[server listen];
 
-		[client connectTo: "localhost"
+		[client connectTo: "::1"
 			   onPort: port];
 
 		accepted = [server accept];
 
 		[client writeCString: "IPv6:)"];