diff --git a/samplecode/SampleApp.cpp b/samplecode/SampleApp.cpp
index e0a9ce4..b8a7883 100644
--- a/samplecode/SampleApp.cpp
+++ b/samplecode/SampleApp.cpp
@@ -496,7 +496,7 @@
         if (SkOSMenu::kMixedState != fSubpixelState) {
             paint->setSubpixelText(SkOSMenu::kOnState == fSubpixelState);
         }
-        if (0 != fHintingState && fHintingState < SK_ARRAY_COUNT(gHintingStates)) {
+        if (0 != fHintingState && fHintingState < (int)SK_ARRAY_COUNT(gHintingStates)) {
             paint->setHinting(gHintingStates[fHintingState].hinting);
         }
         return true;