diff --git a/mrbgems/mruby-socket/mrblib/socket.rb b/mrbgems/mruby-socket/mrblib/socket.rb
index 058f49b19..6736df3d8 100644
--- a/mrbgems/mruby-socket/mrblib/socket.rb
+++ b/mrbgems/mruby-socket/mrblib/socket.rb
@@ -67,10 +67,10 @@ class Addrinfo
       else
         proto = '???'
       end
-      "#<Addrinfo: #{inspect_sockaddr} #{proto}>"
     else
-      "#<Addrinfo: #{self.unix_path} SOCK_STREAM>"
+      proto = "SOCK_STREAM"
     end
+    "#<Addrinfo: #{inspect_sockaddr} #{proto}>"
   end
 
   def inspect_sockaddr