diff --git a/services/audioflinger/AudioFlinger.cpp b/services/audioflinger/AudioFlinger.cpp
index 42e9c6b..d546ae3 100644
--- a/services/audioflinger/AudioFlinger.cpp
+++ b/services/audioflinger/AudioFlinger.cpp
@@ -520,7 +520,7 @@
 #ifdef TEE_SINK
         // dump the serially shared record tee sink
         if (mRecordTeeSource != 0) {
-            dumpTee(fd, mRecordTeeSource);
+            dumpTee(fd, mRecordTeeSource, AUDIO_IO_HANDLE_NONE, 'C');
         }
 #endif
 
@@ -3261,7 +3261,7 @@
 }
 
 #ifdef TEE_SINK
-void AudioFlinger::dumpTee(int fd, const sp<NBAIO_Source>& source, audio_io_handle_t id)
+void AudioFlinger::dumpTee(int fd, const sp<NBAIO_Source>& source, audio_io_handle_t id, char suffix)
 {
     NBAIO_Source *teeSource = source.get();
     if (teeSource != NULL) {
@@ -3323,7 +3323,8 @@
         struct tm tm;
         localtime_r(&tv.tv_sec, &tm);
         strftime(teeTime, sizeof(teeTime), "%Y%m%d%H%M%S", &tm);
-        snprintf(&teePath[teePathLen], sizeof(teePath) - teePathLen, "%s_%d.wav", teeTime, id);
+        snprintf(&teePath[teePathLen], sizeof(teePath) - teePathLen, "%s_%d_%c.wav", teeTime, id,
+                suffix);
         // if 2 dumpsys are done within 1 second, and rotation didn't work, then discard 2nd
         int teeFd = open(teePath, O_WRONLY | O_CREAT | O_EXCL | O_NOFOLLOW, S_IRUSR | S_IWUSR);
         if (teeFd >= 0) {
diff --git a/services/audioflinger/AudioFlinger.h b/services/audioflinger/AudioFlinger.h
index a8e86a0..864c215 100644
--- a/services/audioflinger/AudioFlinger.h
+++ b/services/audioflinger/AudioFlinger.h
@@ -825,7 +825,7 @@
 
 #ifdef TEE_SINK
     // tee sink, if enabled by property, allows dumpsys to write most recent audio to .wav file
-    static void dumpTee(int fd, const sp<NBAIO_Source>& source, audio_io_handle_t id = 0);
+    static void dumpTee(int fd, const sp<NBAIO_Source>& source, audio_io_handle_t id, char suffix);
 
     // whether tee sink is enabled by property
     static bool mTeeSinkInputEnabled;
diff --git a/services/audioflinger/Threads.cpp b/services/audioflinger/Threads.cpp
index 2234f73..5cdabbc 100644
--- a/services/audioflinger/Threads.cpp
+++ b/services/audioflinger/Threads.cpp
@@ -4751,7 +4751,7 @@
 
 #ifdef TEE_SINK
     // Write the tee output to a .wav file
-    dumpTee(fd, mTeeSource, mId);
+    dumpTee(fd, mTeeSource, mId, 'M');
 #endif
 
 }
diff --git a/services/audioflinger/Tracks.cpp b/services/audioflinger/Tracks.cpp
index 5e07e3b..a80214c 100644
--- a/services/audioflinger/Tracks.cpp
+++ b/services/audioflinger/Tracks.cpp
@@ -234,7 +234,7 @@
 AudioFlinger::ThreadBase::TrackBase::~TrackBase()
 {
 #ifdef TEE_SINK
-    dumpTee(-1, mTeeSource, mId);
+    dumpTee(-1, mTeeSource, mId, 'T');
 #endif
     // delete the proxy before deleting the shared memory it refers to, to avoid dangling reference
     mServerProxy.clear();