diff --git a/samplecode/SampleApp.cpp b/samplecode/SampleApp.cpp
index d1cbeef..80a702b 100644
--- a/samplecode/SampleApp.cpp
+++ b/samplecode/SampleApp.cpp
@@ -434,6 +434,7 @@
     fMeasureFPS = false;
     fLCDState = kUnknown_SkTriState;
     fAAState = kUnknown_SkTriState;
+    fFilterState = kUnknown_SkTriState;
     fFlipAxis = 0;
     fScrollTestX = fScrollTestY = 0;