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-rw-r--r--libtransport/src/protocols/rtc.cc2
1 files changed, 2 insertions, 0 deletions
diff --git a/libtransport/src/protocols/rtc.cc b/libtransport/src/protocols/rtc.cc
index b1502f51f..a01b8daa5 100644
--- a/libtransport/src/protocols/rtc.cc
+++ b/libtransport/src/protocols/rtc.cc
@@ -348,6 +348,8 @@ void RTCTransportProtocol::computeMaxWindow(uint32_t productionRate,
void RTCTransportProtocol::updateWindow() {
if (currentState_ == HICN_RTC_SYNC_STATE) return;
+ if (estimatedBw_ == 0) return;
+
if (currentCWin_ < maxCWin_ * 0.9) {
currentCWin_ =
min(maxCWin_, (uint32_t)(currentCWin_ * HICN_WIN_INCREASE_FACTOR));