diff --git a/audio/aidl/default/automaticGainControl/AutomaticGainControlSw.h b/audio/aidl/default/automaticGainControl/AutomaticGainControlSw.h
index e23fec0..2724835 100644
--- a/audio/aidl/default/automaticGainControl/AutomaticGainControlSw.h
+++ b/audio/aidl/default/automaticGainControl/AutomaticGainControlSw.h
@@ -41,9 +41,10 @@
     int getSaturationMargin();
 
   private:
-    int mDigitalGain;
-    AutomaticGainControl::LevelEstimator mLevelEstimator;
-    int mSaturationMargin;
+    int mDigitalGain = 0;
+    AutomaticGainControl::LevelEstimator mLevelEstimator =
+            AutomaticGainControl::LevelEstimator::RMS;
+    int mSaturationMargin = 0;
 };
 
 class AutomaticGainControlSw final : public EffectImpl {