diff --git a/services/audioflinger/FastThread.cpp b/services/audioflinger/FastThread.cpp
index 09101d9..01b0432 100644
--- a/services/audioflinger/FastThread.cpp
+++ b/services/audioflinger/FastThread.cpp
@@ -66,8 +66,8 @@
     /* mMeasuredWarmupTs({0, 0}), */
     mWarmupCycles(0),
     mWarmupConsecutiveInRangeCycles(0),
-    // mDummyNBLogWriter
-    mNBLogWriter(&mDummyNBLogWriter),
+    mDummyNBLogWriter(new NBLog::Writer()),
+    mNBLogWriter(mDummyNBLogWriter.get()),
     mTimestampStatus(INVALID_OPERATION),
 
     mCommand(FastThreadState::INITIAL),
@@ -94,7 +94,7 @@
 {
     // LOGT now works even if tlNBLogWriter is nullptr, but we're considering changing that,
     // so this initialization permits a future change to remove the check for nullptr.
-    tlNBLogWriter = &mDummyNBLogWriter;
+    tlNBLogWriter = mDummyNBLogWriter.get();
     for (;;) {
 
         // either nanosleep, sched_yield, or busy wait
@@ -124,7 +124,8 @@
 
             // As soon as possible of learning of a new dump area, start using it
             mDumpState = next->mDumpState != NULL ? next->mDumpState : mDummyDumpState;
-            mNBLogWriter = next->mNBLogWriter != NULL ? next->mNBLogWriter : &mDummyNBLogWriter;
+            mNBLogWriter = next->mNBLogWriter != NULL ?
+                    next->mNBLogWriter : mDummyNBLogWriter.get();
             setNBLogWriter(mNBLogWriter);   // FastMixer informs its AudioMixer, FastCapture ignores
             tlNBLogWriter = mNBLogWriter;
 
diff --git a/services/audioflinger/FastThread.h b/services/audioflinger/FastThread.h
index 2a71414..bbb1d22 100644
--- a/services/audioflinger/FastThread.h
+++ b/services/audioflinger/FastThread.h
@@ -78,12 +78,13 @@
     unsigned        mColdGen;       // last observed mColdGen
     bool            mIsWarm;        // true means ready to mix,
                                     // false means wait for warmup before mixing
-    struct timespec mMeasuredWarmupTs;  // how long did it take for warmup to complete
-    uint32_t        mWarmupCycles;  // counter of number of loop cycles during warmup phase
-    uint32_t        mWarmupConsecutiveInRangeCycles;    // number of consecutive cycles in range
-    NBLog::Writer   mDummyNBLogWriter;
-    NBLog::Writer*  mNBLogWriter;   // always non-nullptr: real NBLog::Writer* or &mDummyNBLogWriter
-    status_t        mTimestampStatus;
+    struct timespec   mMeasuredWarmupTs;  // how long did it take for warmup to complete
+    uint32_t          mWarmupCycles;  // counter of number of loop cycles during warmup phase
+    uint32_t          mWarmupConsecutiveInRangeCycles;    // number of consecutive cycles in range
+    sp<NBLog::Writer> mDummyNBLogWriter;
+    NBLog::Writer*    mNBLogWriter;   // always non-nullptr: real NBLog::Writer* or
+                                      // mDummyNBLogWriter.get()
+    status_t          mTimestampStatus;
 
     FastThreadState::Command mCommand;
     bool            mAttemptedWrite;