diff --git a/tools/gpu/GrTest.cpp b/tools/gpu/GrTest.cpp
index 95b7802..1fec1a6 100644
--- a/tools/gpu/GrTest.cpp
+++ b/tools/gpu/GrTest.cpp
@@ -345,7 +345,7 @@
         return nullptr;
     }
 
-    GrBuffer* onCreateBuffer(size_t, GrBufferType, GrAccessPattern) override { return nullptr; }
+    GrBuffer* onCreateBuffer(GrBufferType, size_t, GrAccessPattern) override { return nullptr; }
 
     void onClear(GrRenderTarget*, const SkIRect& rect, GrColor color) override {}