diff --git a/services/audiopolicy/managerdefault/AudioPolicyManager.cpp b/services/audiopolicy/managerdefault/AudioPolicyManager.cpp
index 0c02d93..d1ee400 100644
--- a/services/audiopolicy/managerdefault/AudioPolicyManager.cpp
+++ b/services/audiopolicy/managerdefault/AudioPolicyManager.cpp
@@ -768,6 +768,9 @@
     if (stream != AUDIO_STREAM_MUSIC) {
         flags = (audio_output_flags_t)(flags &~AUDIO_OUTPUT_FLAG_DEEP_BUFFER);
     }
+    if (stream == AUDIO_STREAM_TTS) {
+        flags = AUDIO_OUTPUT_FLAG_TTS;
+    }
 
     sp<IOProfile> profile;