diff --git a/src/hb-subset-cff2.cc b/src/hb-subset-cff2.cc
index 729457889..5977b5669 100644
--- a/src/hb-subset-cff2.cc
+++ b/src/hb-subset-cff2.cc
@@ -227,8 +227,8 @@ struct cff2_cs_opset_subr_subset_t : cff2_cs_opset_t<cff2_cs_opset_subr_subset_t
 
 struct cff2_subr_subsetter_t : subr_subsetter_t<cff2_subr_subsetter_t, CFF2Subrs, const OT::cff2::accelerator_subset_t, cff2_cs_interp_env_t, cff2_cs_opset_subr_subset_t>
 {
-  cff2_subr_subsetter_t (const OT::cff2::accelerator_subset_t &acc, const hb_subset_plan_t *plan)
-    : subr_subsetter_t (acc, plan) {}
+  cff2_subr_subsetter_t (const OT::cff2::accelerator_subset_t &acc_, const hb_subset_plan_t *plan_)
+    : subr_subsetter_t (acc_, plan_) {}
 
   static void finalize_parsed_str (cff2_cs_interp_env_t &env, subr_subset_param_t& param, parsed_cs_str_t &charstring)
   {