diff --git a/src/gpu/GrGpuGLShaders.cpp b/src/gpu/GrGpuGLShaders.cpp
index f1bc5ec..feb6a1f 100644
--- a/src/gpu/GrGpuGLShaders.cpp
+++ b/src/gpu/GrGpuGLShaders.cpp
@@ -998,6 +998,8 @@
             stage.fOptFlags     = 0;
             stage.fCoordMapping = (StageDesc::CoordMapping)0;
             stage.fModulation   = (StageDesc::Modulation)0;
+            stage.fFetchMode = (StageDesc::FetchMode) 0;
+            stage.fKernelWidth = 0;
         }
     }