diff --git a/samplecode/SampleAAClip.cpp b/samplecode/SampleAAClip.cpp
index dd6af09..93a77cb 100644
--- a/samplecode/SampleAAClip.cpp
+++ b/samplecode/SampleAAClip.cpp
@@ -16,6 +16,8 @@
     SkBitmap bm;
     
     clip.copyToMask(&mask);
+    SkAutoMaskFreeImage amfi(mask.fImage);
+
     bm.setConfig(SkBitmap::kA8_Config, mask.fBounds.width(),
                  mask.fBounds.height(), mask.fRowBytes);
     bm.setPixels(mask.fImage);