1 files changed, 2 insertions, 2 deletions
diff --git a/struct.c b/struct.c
index b36dd37e4b..c7b267af65 100644
--- a/struct.c
+++ b/struct.c
@@ -279,7 +279,7 @@ new_struct(VALUE name, VALUE super)
 static void
 define_aref_method(VALUE nstr, VALUE name, VALUE off)
 {
-    rb_control_frame_t *FUNC_FASTCALL(rb_vm_opt_struct_aref)(rb_thread_t *, rb_control_frame_t *);
+    rb_control_frame_t *FUNC_FASTCALL(rb_vm_opt_struct_aref)(rb_execution_context_t *, rb_control_frame_t *);
     const rb_iseq_t *iseq = rb_method_for_self_aref(name, off, rb_vm_opt_struct_aref);
 
     rb_add_method_iseq(nstr, SYM2ID(name), iseq, NULL, METHOD_VISI_PUBLIC);
@@ -288,7 +288,7 @@ define_aref_method(VALUE nstr, VALUE name, VALUE off)
 static void
 define_aset_method(VALUE nstr, VALUE name, VALUE off)
 {
-    rb_control_frame_t *FUNC_FASTCALL(rb_vm_opt_struct_aset)(rb_thread_t *, rb_control_frame_t *);
+    rb_control_frame_t *FUNC_FASTCALL(rb_vm_opt_struct_aset)(rb_execution_context_t *, rb_control_frame_t *);
     const rb_iseq_t *iseq = rb_method_for_self_aset(name, off, rb_vm_opt_struct_aset);
 
     rb_add_method_iseq(nstr, SYM2ID(name), iseq, NULL, METHOD_VISI_PUBLIC);