diff --git a/policy_hal/AudioPolicyManager.cpp b/policy_hal/AudioPolicyManager.cpp
index 6bc3d1e..00625a3 100644
--- a/policy_hal/AudioPolicyManager.cpp
+++ b/policy_hal/AudioPolicyManager.cpp
@@ -2230,9 +2230,9 @@
 
         if (inputDesc->getAudioSessionCount(true/*activeOnly*/) == 1) {
             // if input maps to a dynamic policy with an activity listener, notify of state change
-            if ((inputDesc->mPolicyMix != NULL)
-                    && ((inputDesc->mPolicyMix->mCbFlags & AudioMix::kCbFlagNotifyActivity) != 0)) {
-                mpClientInterface->onDynamicPolicyMixStateUpdate(inputDesc->mPolicyMix->mDeviceAddress,
+            if ((inputDesc->mPolicyMix.promote() != NULL)
+                    && ((inputDesc->mPolicyMix.promote()->mCbFlags & AudioMix::kCbFlagNotifyActivity) != 0)) {
+                mpClientInterface->onDynamicPolicyMixStateUpdate(inputDesc->mPolicyMix.promote()->mDeviceAddress,
                         MIX_STATE_MIXING);
             }
 
@@ -2252,8 +2252,8 @@
                 String8 address = String8("");
                 if (inputDesc->mPolicyMix == NULL) {
                     address = String8("0");
-                } else if (inputDesc->mPolicyMix->mMixType == MIX_TYPE_PLAYERS) {
-                    address = inputDesc->mPolicyMix->mDeviceAddress;
+                } else if (inputDesc->mPolicyMix.promote()->mMixType == MIX_TYPE_PLAYERS) {
+                    address = inputDesc->mPolicyMix.promote()->mDeviceAddress;
                 }
                 if (address != "") {
                     setDeviceConnectionStateInt(AUDIO_DEVICE_OUT_REMOTE_SUBMIX,