diff --git a/api/audio/echo_canceller3_config.h b/api/audio/echo_canceller3_config.h
index e7dc0825e3..039f76f6e1 100644
--- a/api/audio/echo_canceller3_config.h
+++ b/api/audio/echo_canceller3_config.h
@@ -100,7 +100,7 @@ struct RTC_EXPORT EchoCanceller3Config {
     float audibility_threshold_mf = 10;
     float audibility_threshold_hf = 10;
     bool use_stationary_properties = true;
-    bool use_stationarity_properties_at_init = false;
+    bool use_stationarity_properties_at_init = true;
   } echo_audibility;
 
   struct RenderLevels {
diff --git a/modules/audio_processing/aec3/echo_canceller3.cc b/modules/audio_processing/aec3/echo_canceller3.cc
index b78155e653..f0d31ff044 100644
--- a/modules/audio_processing/aec3/echo_canceller3.cc
+++ b/modules/audio_processing/aec3/echo_canceller3.cc
@@ -70,6 +70,11 @@ bool DeactivateStationarityProperties() {
       "WebRTC-Aec3UseStationarityPropertiesKillSwitch");
 }
 
+bool DeactivateStationarityPropertiesAtInit() {
+  return field_trial::IsEnabled(
+      "WebRTC-Aec3UseStationarityPropertiesAtInitKillSwitch");
+}
+
 // Method for adjusting config parameter dependencies..
 EchoCanceller3Config AdjustConfig(const EchoCanceller3Config& config) {
   EchoCanceller3Config adjusted_cfg = config;
@@ -138,6 +143,10 @@ EchoCanceller3Config AdjustConfig(const EchoCanceller3Config& config) {
     adjusted_cfg.echo_audibility.use_stationary_properties = false;
   }
 
+  if (DeactivateStationarityPropertiesAtInit()) {
+    adjusted_cfg.echo_audibility.use_stationarity_properties_at_init = false;
+  }
+
   return adjusted_cfg;
 }