1 files changed, 1 insertions, 1 deletions
diff --git a/method.h b/method.h
index b99674a913..f2f519679e 100644
--- a/method.h
+++ b/method.h
@@ -112,7 +112,7 @@ rb_method_entry_t *rb_add_method(VALUE klass, ID mid, rb_method_type_t type, voi
 rb_method_entry_t *rb_method_entry(VALUE klass, ID id, VALUE *define_class_ptr);
 void rb_add_refined_method_entry(VALUE refined_class, ID mid);
 rb_method_entry_t *rb_resolve_refined_method(VALUE refinements,
-					     rb_method_entry_t *me,
+					     const rb_method_entry_t *me,
 					     VALUE *defined_class_ptr);
 rb_method_entry_t *rb_method_entry_with_refinements(VALUE klass, ID id,
 						    VALUE *defined_class_ptr);