diff --git a/src/hb-ot-color-cbdt-table.hh b/src/hb-ot-color-cbdt-table.hh
index 01e0f9da4cdef6feea68f3ddb1f44d990c7c6f71..04847a7466dbdb54f3f4ed9b9c0d1207e8d77c42 100644
--- a/src/hb-ot-color-cbdt-table.hh
+++ b/src/hb-ot-color-cbdt-table.hh
@@ -128,7 +128,7 @@ struct IndexSubtableFormat1Or3
   {
     TRACE_SANITIZE (this);
     return_trace (c->check_struct (this) &&
-		  c->check_array (offsetArrayZ.arrayZ, glyph_count + 1));
+		  offsetArrayZ.sanitize (c, glyph_count + 1));
   }
 
   bool get_image_data (unsigned int idx,