diff --git a/samplecode/SampleCull.cpp b/samplecode/SampleCull.cpp
index 18f2d0c..e6b110a 100644
--- a/samplecode/SampleCull.cpp
+++ b/samplecode/SampleCull.cpp
@@ -96,7 +96,7 @@
     return array;
 }
 
-static SkScalar nextScalarRange(SkRandom& rand, SkScalar min, SkScalar max) {
+static SkScalar nextScalarRange(SkMWCRandom& rand, SkScalar min, SkScalar max) {
     return min + SkScalarMul(rand.nextUScalar1(), max - min);
 }
 
@@ -105,7 +105,7 @@
     CullView() {
         fClip.set(0, 0, SkIntToScalar(160), SkIntToScalar(160));
 
-        SkRandom    rand;
+        SkMWCRandom    rand;
 
         for (int i = 0; i < 50; i++) {
             SkScalar x = nextScalarRange(rand, -fClip.width()*1, fClip.width()*2);