diff --git a/src/prudp/socket.rs b/src/prudp/socket.rs
index dc3b0d1..8a0370e 100644
--- a/src/prudp/socket.rs
+++ b/src/prudp/socket.rs
@@ -140,7 +140,7 @@ impl SocketImpl {
         let mut conn = conn.lock().await;
 
         if //((packet.header.types_and_flags.get_flags() & flags::NEED_ACK) != 0) ||
-        ((packet.header.types_and_flags.get_flags() & flags::ACK) != 0) ||
+           //((packet.header.types_and_flags.get_flags() & flags::ACK) != 0) ||
             ((packet.header.types_and_flags.get_flags() & flags::RELIABLE) != 0) ||
             ((packet.header.types_and_flags.get_flags() & flags::MULTI_ACK) != 0) {
             let copy = packet.header.types_and_flags;