diff --git a/tests/ImageGeneratorTest.cpp b/tests/ImageGeneratorTest.cpp
index 7ee0b90..8a7f0de 100644
--- a/tests/ImageGeneratorTest.cpp
+++ b/tests/ImageGeneratorTest.cpp
@@ -9,6 +9,7 @@
 #include "SkCanvas.h"
 #include "SkGraphics.h"
 #include "SkImageGenerator.h"
+#include "SkImageInfoPriv.h"
 #include "Test.h"
 
 static bool gMyFactoryWasCalled;