1 files changed, 1 insertions, 1 deletions
diff --git a/error.c b/error.c
index 4d534f7c04..d58075f4b5 100644
--- a/error.c
+++ b/error.c
@@ -2817,7 +2817,7 @@ Init_Exception(void)
 
     warning_categories = rb_hash_new();
     rb_gc_register_mark_object(warning_categories);
-    rb_hash_aset(warning_categories, ID2SYM(rb_intern("deprecated")), Qtrue);
+    rb_hash_aset(warning_categories, ID2SYM(rb_intern_const("deprecated")), Qtrue);
     rb_obj_freeze(warning_categories);
 }