diff --git a/samplecode/SamplePath.cpp b/samplecode/SamplePath.cpp
index 4fef377..cd45ed9 100644
--- a/samplecode/SamplePath.cpp
+++ b/samplecode/SamplePath.cpp
@@ -168,9 +168,9 @@
             SkPaint::kRound_Join
         };
 
-        for (int i = 0; i < SK_ARRAY_COUNT(gJoins); i++) {
+        for (size_t i = 0; i < SK_ARRAY_COUNT(gJoins); i++) {
             canvas->save();
-            for (int j = 0; j < SK_ARRAY_COUNT(fPath); j++) {
+            for (size_t j = 0; j < SK_ARRAY_COUNT(fPath); j++) {
                 this->drawPath(canvas, fPath[j], gJoins[i]);
                 canvas->translate(SkIntToScalar(200), 0);
             }