diff --git a/samplecode/SampleLineClipper.cpp b/samplecode/SampleLineClipper.cpp
index 2635a30..d0a8667 100644
--- a/samplecode/SampleLineClipper.cpp
+++ b/samplecode/SampleLineClipper.cpp
@@ -155,7 +155,7 @@
     SkPoint     fPts[4];
 
     void randPts() {
-        for (int i = 0; i < SK_ARRAY_COUNT(fPts); i++) {
+        for (size_t i = 0; i < SK_ARRAY_COUNT(fPts); i++) {
             fPts[i].set(fRand.nextUScalar1() * 640,
                         fRand.nextUScalar1() * 480);
         }