diff --git a/libraries/networking/src/udt/Socket.cpp b/libraries/networking/src/udt/Socket.cpp
index 360a59e53f..8c2658cb12 100644
--- a/libraries/networking/src/udt/Socket.cpp
+++ b/libraries/networking/src/udt/Socket.cpp
@@ -144,7 +144,10 @@ void Socket::readPendingDatagrams() {
 
 void Socket::rateControlSync() {
     
-    // TODO: enumerate our list of connections and ask each of them to send off periodic ACK packet for rate control
+    // enumerate our list of connections and ask each of them to send off periodic ACK packet for rate control
+    for (auto& connection : _connectionsHash) {
+        connection.second->sendACK();
+    }
     
     if (_synTimer.interval() != _synInterval) {
         // if the _synTimer interval doesn't match the current _synInterval (changes when the CC factory is changed)