diff --git a/main.v b/main.v
index 52e8b4d..2075502 100644
--- a/main.v
+++ b/main.v
@@ -1,7 +1,7 @@
 // import net
 import netio
 // import time
-import os
+// import os
 
 fn main() {
 	listen_addr := netio.SocketAddr.ipv4([u8(127), 0, 0, 1]!, 1081)
diff --git a/option.v b/option.v
deleted file mode 100644
index c621b02..0000000
--- a/option.v
+++ /dev/null
@@ -1 +0,0 @@
-module netio
diff --git a/addr.c.v b/socket_addr.c.v
similarity index 98%
rename from addr.c.v
rename to socket_addr.c.v
index 75d99c9..17f8a0a 100644
--- a/addr.c.v
+++ b/socket_addr.c.v
@@ -292,7 +292,8 @@ pub fn (a SocketAddr) str() string {
 					res += ':'
 				}
 			}
-			return res
+			port_int := binary.big_endian_u16_fixed(port)
+			return res + ':' + port_int.str()
 		}
 		af_unix {
 			mut path := [max_unix_path_size]u8{}