diff --git a/samplecode/SampleWritePixels.cpp b/samplecode/SampleWritePixels.cpp
index f6d31e5..d014e86 100644
--- a/samplecode/SampleWritePixels.cpp
+++ b/samplecode/SampleWritePixels.cpp
@@ -32,9 +32,9 @@
     WritePixelsView() {}
 
 protected:
-    virtual SkString name() { return SkString("WritePixels"); }
+    SkString name() override { return SkString("WritePixels"); }
 
-    virtual void onDrawContent(SkCanvas* canvas) {
+    void onDrawContent(SkCanvas* canvas) override {
         SkBitmap bitmap;
         create_bitmap(&bitmap);
         int x = bitmap.width() / 2;