diff --git a/services/audioflinger/AudioFlinger.cpp b/services/audioflinger/AudioFlinger.cpp
index 462c2fa..b7ddbb5 100644
--- a/services/audioflinger/AudioFlinger.cpp
+++ b/services/audioflinger/AudioFlinger.cpp
@@ -1464,7 +1464,7 @@
         mMasterVolume(audioFlinger->masterVolumeSW_l()),
         mLastWriteTime(0), mNumWrites(0), mNumDelayedWrites(0), mInWrite(false)
 {
-    snprintf(mName, kNameLength, "AudioOut_%d", id);
+    snprintf(mName, kNameLength, "AudioOut_%X", id);
 
     readOutputParameters();
 
@@ -4791,7 +4791,7 @@
     // mBytesRead is only meaningful while active, and so is cleared in start()
     // (but might be better to also clear here for dump?)
 {
-    snprintf(mName, kNameLength, "AudioIn_%d", id);
+    snprintf(mName, kNameLength, "AudioIn_%X", id);
 
     readInputParameters();
 }