diff --git a/tests/GLProgramsTest.cpp b/tests/GLProgramsTest.cpp
index 79c3faf..888da2d 100644
--- a/tests/GLProgramsTest.cpp
+++ b/tests/GLProgramsTest.cpp
@@ -205,11 +205,13 @@
 // We force some of the effects that would otherwise be discarded to link here.
 
 #include "SkLightingImageFilter.h"
+#include "SkMagnifierImageFilter.h"
 
 void forceLinking();
 
 void forceLinking() {
     SkLightingImageFilter::CreateDistantLitDiffuse(SkPoint3(0,0,0), 0, 0, 0);
+    SkMagnifierImageFilter mag(SkRect::MakeWH(SK_Scalar1, SK_Scalar1), SK_Scalar1);
 }
 
 #endif