diff --git a/audio/aidl/default/acousticEchoCanceler/AcousticEchoCancelerSw.h b/audio/aidl/default/acousticEchoCanceler/AcousticEchoCancelerSw.h
index 809812a..5f1bc46 100644
--- a/audio/aidl/default/acousticEchoCanceler/AcousticEchoCancelerSw.h
+++ b/audio/aidl/default/acousticEchoCanceler/AcousticEchoCancelerSw.h
@@ -37,7 +37,7 @@
     int getEchoDelay() const { return mEchoDelayUs; }
 
   private:
-    int mEchoDelayUs;
+    int mEchoDelayUs = 0;
 };
 
 class AcousticEchoCancelerSw final : public EffectImpl {