diff --git a/include/gpu/GrGLInterface.h b/include/gpu/GrGLInterface.h
index fa284d4..1b8b3be 100644
--- a/include/gpu/GrGLInterface.h
+++ b/include/gpu/GrGLInterface.h
@@ -31,6 +31,7 @@
     kES2_GrGLBinding = 0x02,
 
     // for iteration of GrGLBindings
+    kFirstGrGLBinding = kDesktop_GrGLBinding,
     kLastGrGLBinding = kES2_GrGLBinding
 };
 
diff --git a/tests/GLInterfaceValidation.cpp b/tests/GLInterfaceValidation.cpp
index 69d26d2..2557c4c 100755
--- a/tests/GLInterfaceValidation.cpp
+++ b/tests/GLInterfaceValidation.cpp
@@ -51,7 +51,7 @@
         iface.reset(interfaceFactories[i].fFactory());
         REPORTER_ASSERT(reporter, NULL != iface.get());
         if (iface.get()) {
-            for (GrGLBinding binding = kNone_GrGLBinding; 
+            for (GrGLBinding binding = kFirstGrGLBinding;
                  binding <= kLastGrGLBinding;
                  binding = static_cast<GrGLBinding>(binding << 1)) {
                 if (iface.get()->fBindingsExported & binding) {