diff --git a/rtc_base/experiments/rate_control_settings.cc b/rtc_base/experiments/rate_control_settings.cc
index cb6e0de..0f19b78 100644
--- a/rtc_base/experiments/rate_control_settings.cc
+++ b/rtc_base/experiments/rate_control_settings.cc
@@ -121,11 +121,12 @@
           ParseHysteresisFactor(key_value_config,
                                 kScreenshareHysteresisFieldTrialname,
                                 kDefaultScreenshareHysteresisFactor)),
-      probe_max_allocation_("probe_max_allocation", true) {
+      probe_max_allocation_("probe_max_allocation", true),
+      bitrate_adjuster_("bitrate_adjuster", false) {
   ParseFieldTrial(
       {&congestion_window_, &congestion_window_pushback_, &pacing_factor_,
        &alr_probing_, &trust_vp8_, &trust_vp9_, &video_hysteresis_,
-       &screenshare_hysteresis_, &probe_max_allocation_},
+       &screenshare_hysteresis_, &probe_max_allocation_, &bitrate_adjuster_},
       key_value_config->Lookup("WebRTC-VideoRateControl"));
 }
 
@@ -206,4 +207,8 @@
   return probe_max_allocation_.Get();
 }
 
+bool RateControlSettings::UseEncoderBitrateAdjuster() const {
+  return bitrate_adjuster_.Get();
+}
+
 }  // namespace webrtc
diff --git a/rtc_base/experiments/rate_control_settings.h b/rtc_base/experiments/rate_control_settings.h
index e7dc868..e40c7aa 100644
--- a/rtc_base/experiments/rate_control_settings.h
+++ b/rtc_base/experiments/rate_control_settings.h
@@ -50,6 +50,7 @@
       VideoEncoderConfig::ContentType content_type) const;
 
   bool TriggerProbeOnMaxAllocatedBitrateChange() const;
+  bool UseEncoderBitrateAdjuster() const;
 
  private:
   explicit RateControlSettings(
@@ -67,6 +68,7 @@
   FieldTrialParameter<double> video_hysteresis_;
   FieldTrialParameter<double> screenshare_hysteresis_;
   FieldTrialParameter<bool> probe_max_allocation_;
+  FieldTrialParameter<bool> bitrate_adjuster_;
 };
 
 }  // namespace webrtc
diff --git a/rtc_base/experiments/rate_control_settings_unittest.cc b/rtc_base/experiments/rate_control_settings_unittest.cc
index ae9a192..0d8c376 100644
--- a/rtc_base/experiments/rate_control_settings_unittest.cc
+++ b/rtc_base/experiments/rate_control_settings_unittest.cc
@@ -124,6 +124,20 @@
                    .TriggerProbeOnMaxAllocatedBitrateChange());
 }
 
+TEST(RateControlSettingsTest, UseEncoderBitrateAdjuster) {
+  // Should be off by default.
+  EXPECT_FALSE(
+      RateControlSettings::ParseFromFieldTrials().UseEncoderBitrateAdjuster());
+
+  {
+    // Can be turned on via field trial.
+    test::ScopedFieldTrials field_trials(
+        "WebRTC-VideoRateControl/bitrate_adjuster:true/");
+    EXPECT_TRUE(RateControlSettings::ParseFromFieldTrials()
+                    .UseEncoderBitrateAdjuster());
+  }
+}
+
 }  // namespace
 
 }  // namespace webrtc