diff --git a/tests/GLProgramsTest.cpp b/tests/GLProgramsTest.cpp
index c9f69f0..3164658 100644
--- a/tests/GLProgramsTest.cpp
+++ b/tests/GLProgramsTest.cpp
@@ -228,6 +228,7 @@
 #include "SkLightingImageFilter.h"
 #include "SkMagnifierImageFilter.h"
 #include "SkColorMatrixFilter.h"
+#include "SkBitmapAlphaThresholdShader.h"
 
 void forceLinking();
 
@@ -240,6 +241,7 @@
                                      SkMatrix::I());
     SkScalar matrix[20];
     SkColorMatrixFilter cmf(matrix);
+    SkBitmapAlphaThresholdShader::Create(SkBitmap(), SkRegion(), 0x80);
 }
 
 #endif