diff --git a/libraries/networking/src/udt/CongestionControl.cpp b/libraries/networking/src/udt/CongestionControl.cpp
index 76ac93781b..6f447e8233 100644
--- a/libraries/networking/src/udt/CongestionControl.cpp
+++ b/libraries/networking/src/udt/CongestionControl.cpp
@@ -148,6 +148,7 @@ void DefaultCC::onLoss(SequenceNumber rangeStart, SequenceNumber rangeEnd) {
         // check if we should skip handling of this loss event
         // we do this if this congestion event represents only a single packet loss
         if (rangeStart == rangeEnd) {
+            qDebug() << "Skipping a first loss event";
             return;
         }
 
@@ -213,3 +214,8 @@ void DefaultCC::stopSlowStart() {
         _packetSendPeriod = _congestionWindowSize / (_rtt + synInterval());
     }
 }
+
+void DefaultCC::setInitialSendSequenceNumber(udt::SequenceNumber seqNum) {
+    _slowStartLastACK = seqNum;
+    _lastDecreaseMaxSeq = seqNum - 1;
+}
diff --git a/libraries/networking/src/udt/CongestionControl.h b/libraries/networking/src/udt/CongestionControl.h
index e3990f511a..2b64796bc5 100644
--- a/libraries/networking/src/udt/CongestionControl.h
+++ b/libraries/networking/src/udt/CongestionControl.h
@@ -107,7 +107,7 @@ public:
     virtual void onTimeout();
 
 protected:
-    virtual void setInitialSendSequenceNumber(SequenceNumber seqNum) { _slowStartLastACK = seqNum; }
+    virtual void setInitialSendSequenceNumber(SequenceNumber seqNum);
 
 private:
     void stopSlowStart(); // stops the slow start on loss or timeout