diff --git a/src/socket.ts b/src/socket.ts
index d1c8c83..1ed90f8 100644
--- a/src/socket.ts
+++ b/src/socket.ts
@@ -48,7 +48,7 @@ export default class Socket extends Duplex {
         throw Error("invalid remoteAddress");
       }
 
-      this.remoteFamily = type === 6 ? IPV4 : IPV6;
+      this.remoteFamily = type === 6 ? IPV6 : IPV4;
     }
   }