1 files changed, 2 insertions, 1 deletions
diff --git a/gc.c b/gc.c
index f75a11a937..5e6dd2d8e1 100644
--- a/gc.c
+++ b/gc.c
@@ -2115,7 +2115,8 @@ Init_GC()
     source_filenames = st_init_strtable();
 
     rb_global_variable(&nomem_error);
-    nomem_error = rb_exc_new2(rb_eNoMemError, "failed to allocate memory");
+    nomem_error = rb_exc_new3(rb_eNoMemError,
+			      rb_obj_freeze(rb_str_new2("failed to allocate memory")));
     OBJ_TAINT(nomem_error);
     OBJ_FREEZE(nomem_error);