diff --git a/samplecode/SampleMeasure.cpp b/samplecode/SampleMeasure.cpp
index 70b8812..eb7a288 100644
--- a/samplecode/SampleMeasure.cpp
+++ b/samplecode/SampleMeasure.cpp
@@ -46,7 +46,7 @@
     SkRect      bounds;
 
     SkPaint p(paint);
-    for (int i = 0; i < SK_ARRAY_COUNT(gSettings); i++) {
+    for (size_t i = 0; i < SK_ARRAY_COUNT(gSettings); i++) {
         p.setLinearText(gSettings[i].fLinearText);
         p.setDevKernText(gSettings[i].fDevKernText);
         SkScalar scale = gSettings[i].fScale;