diff --git a/src/hb-ot-layout-gpos-private.hh b/src/hb-ot-layout-gpos-private.hh
index ab72731cf..8bf250734 100644
--- a/src/hb-ot-layout-gpos-private.hh
+++ b/src/hb-ot-layout-gpos-private.hh
@@ -375,6 +375,7 @@ struct MarkRecord
   }
 
   DEFINE_SIZE_STATIC (4);
+
   private:
   USHORT	klass;			/* Class defined for this mark */
   OffsetTo<Anchor>