diff --git a/webrtc/modules/audio_processing/level_controller/level_controller_complexity_unittest.cc b/webrtc/modules/audio_processing/level_controller/level_controller_complexity_unittest.cc
index 69ef28dce4..ed26020975 100644
--- a/webrtc/modules/audio_processing/level_controller/level_controller_complexity_unittest.cc
+++ b/webrtc/modules/audio_processing/level_controller/level_controller_complexity_unittest.cc
@@ -205,6 +205,7 @@ void RunTogetherWithApm(std::string test_description,
     config.Set<ExtendedFilter>(new ExtendedFilter(true));
   }
   apm_config.level_controller.enabled = true;
+  apm_config.residual_echo_detector.enabled = include_default_apm_processing;
 
   std::unique_ptr<AudioProcessing> apm;
   apm.reset(AudioProcessing::Create(config));