diff --git a/samplecode/SampleHT.cpp b/samplecode/SampleHT.cpp
index e225193..7483b80 100644
--- a/samplecode/SampleHT.cpp
+++ b/samplecode/SampleHT.cpp
@@ -156,7 +156,7 @@
         return true;
     }
 
-    Sample::Click* onFindClickHandler(SkScalar x, SkScalar y, unsigned modi) override {
+    Sample::Click* onFindClickHandler(SkScalar x, SkScalar y, ModifierKey modi) override {
         // search backwards to find the top-most
         for (int i = N - 1; i >= 0; --i) {
             if (fArray[i].fDrawable->hitTest(x, y)) {