diff --git a/src/modules/congestion_controller/goog_cc/loss_based_bwe_v2.h b/src/modules/congestion_controller/goog_cc/loss_based_bwe_v2.h
index f764892b5..8f140d3f3 100644
--- a/src/modules/congestion_controller/goog_cc/loss_based_bwe_v2.h
+++ b/src/modules/congestion_controller/goog_cc/loss_based_bwe_v2.h
@@ -58,6 +58,7 @@ class LossBasedBweV2 {
   };
 
   struct Config {
+    Config() {};
     double bandwidth_rampup_upper_bound_factor = 0.0;
     double rampup_acceleration_max_factor = 0.0;
     TimeDelta rampup_acceleration_maxout_time = TimeDelta::Zero();