diff --git a/samplecode/SampleShaderText.cpp b/samplecode/SampleShaderText.cpp
index bed4835..eb92efd 100644
--- a/samplecode/SampleShaderText.cpp
+++ b/samplecode/SampleShaderText.cpp
@@ -35,7 +35,7 @@
     canvas.drawPaint(paint);
 }
 
-SkShader* MakeBitmapShader(SkShader::TileMode tx, SkShader::TileMode ty,
+static SkShader* MakeBitmapShader(SkShader::TileMode tx, SkShader::TileMode ty,
                            int w, int h) {
     static SkBitmap bmp;
     if (bmp.isNull()) {