diff --git a/core/jni/android/graphics/AutoDecodeCancel.cpp b/core/jni/android/graphics/AutoDecodeCancel.cpp
index f0739ea849115..0641b9673ae74 100644
--- a/core/jni/android/graphics/AutoDecodeCancel.cpp
+++ b/core/jni/android/graphics/AutoDecodeCancel.cpp
@@ -1,6 +1,7 @@
 #include "AutoDecodeCancel.h"
+#include "SkMutex.h"
 
-static SkMutex  gAutoDecoderCancelMutex;
+SK_DECLARE_STATIC_MUTEX(gAutoDecoderCancelMutex);
 static AutoDecoderCancel* gAutoDecoderCancel;
 #ifdef SK_DEBUG
 static int gAutoDecoderCancelCount;