1 files changed, 2 insertions, 0 deletions
diff --git a/hash.c b/hash.c
index b5a0c685b5..89139e852f 100644
--- a/hash.c
+++ b/hash.c
@@ -2564,6 +2564,8 @@ env_update(VALUE env, VALUE hash)
 void
 Init_Hash(void)
 {
+#undef rb_intern
+
     id_hash = rb_intern("hash");
     id_yield = rb_intern("yield");
     id_default = rb_intern("default");