1 files changed, 1 insertions, 1 deletions
diff --git a/object.c b/object.c
index f7d96e238f..80bd1673c3 100644
--- a/object.c
+++ b/object.c
@@ -1121,7 +1121,7 @@ rb_mod_to_s(VALUE klass)
 static VALUE
 rb_mod_freeze(VALUE mod)
 {
-    rb_mod_to_s(mod);
+    rb_class_name(mod);
     return rb_obj_freeze(mod);
 }