diff --git a/services/audioflinger/Effects.h b/services/audioflinger/Effects.h
index daed5fc..5ebf483 100644
--- a/services/audioflinger/Effects.h
+++ b/services/audioflinger/Effects.h
@@ -565,6 +565,12 @@
             : mChain(owner)
             , mThread(thread)
             , mAudioFlinger(*gAudioFlinger) {
+            sp<ThreadBase> base = thread.promote();
+            if (base != nullptr) {
+                mThreadType = base->type();
+            } else {
+                mThreadType = ThreadBase::MIXER;  // assure a consistent value.
+            }
         }
 
         status_t createEffectHal(const effect_uuid_t *pEffectUuid,