1 files changed, 1 insertions, 0 deletions
diff --git a/marshal.c b/marshal.c
index 1ed67ad3be..0909addc83 100644
--- a/marshal.c
+++ b/marshal.c
@@ -1689,6 +1689,7 @@ void
 Init_marshal(void)
 {
 #undef rb_intern
+#define rb_intern(str) rb_intern_const(str)
 
     VALUE rb_mMarshal = rb_define_module("Marshal");