1 files changed, 1 insertions, 4 deletions
diff --git a/proc.c b/proc.c
index 63e2319114..2c60574725 100644
--- a/proc.c
+++ b/proc.c
@@ -2759,10 +2759,7 @@ Init_Proc(void)
     rb_define_method(rb_eLocalJumpError, "reason", localjump_reason, 0);
 
     rb_eSysStackError = rb_define_class("SystemStackError", rb_eException);
-    sysstack_error = rb_exc_new3(rb_eSysStackError,
-				 rb_obj_freeze(rb_str_new2("stack level too deep")));
-    OBJ_TAINT(sysstack_error);
-    OBJ_FREEZE(sysstack_error);
+    rb_vm_register_special_exception(ruby_error_sysstack, rb_eSysStackError, "stack level too deep");
 
     /* utility functions */
     rb_define_global_function("proc", rb_block_proc, 0);