diff --git a/services/audiopolicy/service/AudioPolicyService.cpp b/services/audiopolicy/service/AudioPolicyService.cpp
index d743be9..a15970a 100644
--- a/services/audiopolicy/service/AudioPolicyService.cpp
+++ b/services/audiopolicy/service/AudioPolicyService.cpp
@@ -676,6 +676,7 @@
         case AUDIO_SOURCE_VOICE_CALL:
         case AUDIO_SOURCE_REMOTE_SUBMIX:
         case AUDIO_SOURCE_FM_TUNER:
+        case AUDIO_SOURCE_ECHO_REFERENCE:
             return true;
         default:
             break;