Index: lib/cgi.rb
===================================================================
--- lib/cgi.rb	(Revision 18645)
+++ lib/cgi.rb	(Arbeitskopie)
@@ -1478,8 +1478,8 @@
         if value.kind_of?(String)
           checkbox(name, value) + value
         else
-          if value[value.size - 1] == true
-            checkbox(name, value[0], true) +
+          if value[value.size - 1] == true || value[value.size - 1] == false
+            checkbox(name, value[0], value[value.size - 1]) +
             value[value.size - 2]
           else
             checkbox(name, value[0]) +