diff --git a/include/gpu/GrSamplerState.h b/include/gpu/GrSamplerState.h
index 4d2d5f20f..3cafa457f 100644
--- a/include/gpu/GrSamplerState.h
+++ b/include/gpu/GrSamplerState.h
@@ -90,6 +90,7 @@ public:
     , fRadial2Radius0()
     , fRadial2PosRoot()
     , fCustomStage (NULL) {
+        memset(this, 0, sizeof(GrSamplerState));
         this->reset();
     }