diff --git a/samplecode/SampleLayerMask.cpp b/samplecode/SampleLayerMask.cpp
index f0c6a40..b039421 100644
--- a/samplecode/SampleLayerMask.cpp
+++ b/samplecode/SampleLayerMask.cpp
@@ -6,6 +6,7 @@
  */
 
 #include "SampleCode.h"
+#include "SkBitmap.h"
 #include "SkCanvas.h"
 #include "SkPaint.h"
 #include "SkPath.h"