--- WorkflowPlugin.pm.org	2008-02-02 21:29:26.000000000 +0100
+++ WorkflowPlugin.pm	2008-02-15 12:34:52.000000000 +0100
@@ -454,6 +454,10 @@
 
     if ( defined( $allow ) && $allow ) {
-      return 0 if $allow =~ /^\s*nobody\s*$/;
-      return $User->isInList( $allow );
+        return 0 if $allow =~ /^\s*nobody\s*$/;
+        if ( $TWiki::Plugins::VERSION >= 1.2 ) {
+            return $TWiki::Plugins::SESSION->{users}->isInList( $User, $allow );
+        } else {
+	    return $User->isInList( $allow );
+        }
     }