diff --git a/services/audioflinger/FastMixer.cpp b/services/audioflinger/FastMixer.cpp
index 7182f32..103e7f8 100644
--- a/services/audioflinger/FastMixer.cpp
+++ b/services/audioflinger/FastMixer.cpp
@@ -37,7 +37,7 @@
 #include <cpustats/ThreadCpuUsage.h>
 #endif
 #endif
-#include <audio_utils/conversion.h>
+#include <audio_utils/mono_blend.h>
 #include <audio_utils/format.h>
 #include <media/AudioMixer.h>
 #include "FastMixer.h"