typo

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_6@1130 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/object.c b/object.c
index 1b5a19f837..b43fc66745 100644
--- a/object.c
+++ b/object.c
@@ -542,7 +542,7 @@ rb_mod_dup(module)
 {
     VALUE dup = rb_mod_clone(module);
     OBJSETUP(dup, RBASIC(module)->klass, BUILTIN_TYPE(module));
-    if (FL_TEST(mod, FL_SINGLETON)) {
+    if (FL_TEST(module, FL_SINGLETON)) {
 	FL_SET(dup, FL_SINGLETON);
     }
     return dup;