diff --git a/src/gpu/SkGr.cpp b/src/gpu/SkGr.cpp
index e51925e..261c1f9 100644
--- a/src/gpu/SkGr.cpp
+++ b/src/gpu/SkGr.cpp
@@ -342,6 +342,7 @@
         case kGray_8_as_Red_GrPixelConfig:
         case kRGBA_8888_GrPixelConfig:
         case kRGB_888_GrPixelConfig:
+        case kRG_88_GrPixelConfig:
         case kBGRA_8888_GrPixelConfig:
             return 0;
         case kRGB_565_GrPixelConfig: