diff --git a/modules/audio_processing/aec3/aec_state.cc b/modules/audio_processing/aec3/aec_state.cc
index 3aaf986df9..3c3d095280 100644
--- a/modules/audio_processing/aec3/aec_state.cc
+++ b/modules/audio_processing/aec3/aec_state.cc
@@ -170,6 +170,15 @@ void AecState::Update(
   bool recently_converged_filter =
       blocks_since_converged_filter_ < 60 * kNumBlocksPerSecond;
 
+  if (blocks_since_converged_filter_ > 20 * kNumBlocksPerSecond) {
+    converged_filter_count_ = 0;
+  } else if (converged_filter) {
+    ++converged_filter_count_;
+  }
+  if (converged_filter_count_ > 50) {
+    finite_erl_ = true;
+  }
+
   if (filter_analyzer_.Consistent() && filter_delay_blocks_ < 5) {
     consistent_filter_seen_ = true;
     active_blocks_since_consistent_filter_estimate_ = 0;
@@ -192,7 +201,7 @@ void AecState::Update(
   // After an amount of active render samples for which an echo should have been
   // detected in the capture signal if the ERL was not infinite, flag that a
   // transparent mode should be entered.
-  transparent_mode_ = !config_.ep_strength.bounded_erl;
+  transparent_mode_ = !config_.ep_strength.bounded_erl && !finite_erl_;
   transparent_mode_ =
       transparent_mode_ &&
       (consistent_filter_estimate_not_seen || !converged_filter_seen_);
diff --git a/modules/audio_processing/aec3/aec_state.h b/modules/audio_processing/aec3/aec_state.h
index 404183f4ab..9e7c7b2c1d 100644
--- a/modules/audio_processing/aec3/aec_state.h
+++ b/modules/audio_processing/aec3/aec_state.h
@@ -173,6 +173,8 @@ class AecState {
   bool converged_filter_seen_ = false;
   bool consistent_filter_seen_ = false;
   bool external_delay_seen_ = false;
+  size_t converged_filter_count_ = 0;
+  bool finite_erl_ = false;
 
   RTC_DISALLOW_COPY_AND_ASSIGN(AecState);
 };