diff --git a/quic/core/quic_stream_id_manager.cc b/quic/core/quic_stream_id_manager.cc
index 4e63df7..a6e3518 100644
--- a/quic/core/quic_stream_id_manager.cc
+++ b/quic/core/quic_stream_id_manager.cc
@@ -99,11 +99,14 @@
 }
 
 void QuicStreamIdManager::MaybeSendMaxStreamsFrame() {
-  if ((incoming_advertised_max_streams_ - incoming_stream_count_) >
-      (incoming_initial_max_open_streams_ /
-       GetQuicFlag(FLAGS_quic_max_streams_window_divisor))) {
-    // window too large, no advertisement
-    return;
+  int divisor = GetQuicFlag(FLAGS_quic_max_streams_window_divisor);
+
+  if (divisor > 0) {
+    if ((incoming_advertised_max_streams_ - incoming_stream_count_) >
+        (incoming_initial_max_open_streams_ / divisor)) {
+      // window too large, no advertisement
+      return;
+    }
   }
   SendMaxStreamsFrame();
 }