diff --git a/gm/bitmapscroll.cpp b/gm/bitmapscroll.cpp
index 70d1052..eee9668 100644
--- a/gm/bitmapscroll.cpp
+++ b/gm/bitmapscroll.cpp
@@ -45,10 +45,19 @@
 }
 
 class BitmapScrollGM : public GM {
-public:
-    BitmapScrollGM() {
+    bool fInited;
+    void init() {
+        if (fInited) {
+            return;
+        }
+        fInited = true;
         // Create the original bitmap.
         make_bitmap(quarterWidth, quarterHeight, &origBitmap);
+    }
+
+public:
+    BitmapScrollGM() {
+        fInited = false;
         this->setBGColor(0xFFDDDDDD);
     }
 
@@ -62,6 +71,7 @@
     }
 
     virtual void onDraw(SkCanvas* canvas) {
+        this->init();
         SkIRect scrollCenterRegion = SkIRect::MakeXYWH(
             quarterWidth, quarterHeight, quarterWidth*2+1, quarterHeight*2+1);
         int x = quarterWidth;