diff --git a/ChangeLog b/ChangeLog
index 088d58c866..6c84516dee 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Sat Jan  4 17:18:58 2014  Kazuki Tsujimoto  <kazuki@callcc.net>
+
+	* vm.c (RubyVM::OPTS): get rid of a garbage character.
+
 Sat Jan  4 10:17:54 2014  Eric Hodel  <drbrain@segment7.net>
 
 	* lib/rinda/ring.rb (Rinda::RingFinger#make_socket):  Use
diff --git a/vm.c b/vm.c
index bd0d656f7d..d1b63796f6 100644
--- a/vm.c
+++ b/vm.c
@@ -2577,7 +2577,7 @@ Init_VM(void)
     rb_ary_push(opts, rb_str_new2("stack caching"));
 #endif
 #if OPT_OPERANDS_UNIFICATION
-    rb_ary_push(opts, rb_str_new2("operands unification]"));
+    rb_ary_push(opts, rb_str_new2("operands unification"));
 #endif
 #if OPT_INSTRUCTIONS_UNIFICATION
     rb_ary_push(opts, rb_str_new2("instructions unification"));