diff --git a/storage/mroonga/ha_mroonga.cpp b/storage/mroonga/ha_mroonga.cpp
index 98afb14c5cf..289ad4fa6c4 100644
--- a/storage/mroonga/ha_mroonga.cpp
+++ b/storage/mroonga/ha_mroonga.cpp
@@ -2591,7 +2591,7 @@ ha_mroonga::~ha_mroonga()
   }
   if (blob_buffers)
   {
-    delete [] blob_buffers;
+    ::delete [] blob_buffers;
   }
   grn_obj_unlink(ctx, &top_left_point);
   grn_obj_unlink(ctx, &bottom_right_point);