--- loncom/homework/structuretags.pm	2007/09/10 16:25:38	1.394
+++ loncom/homework/structuretags.pm	2007/09/10 17:02:32	1.395
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA 
 # definition of tags that give a structure to a document
 #
-# $Id: structuretags.pm,v 1.394 2007/09/10 16:25:38 www Exp $
+# $Id: structuretags.pm,v 1.395 2007/09/10 17:02:32 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -1142,7 +1142,7 @@ sub start_languageblock {
 	my $exclude = $token->[2]->{'exclude'};
         my $preferred_language=(&Apache::loncommon::preferred_languages)[0];
 # This should not even happen, since we should at least have the server language
-        unless ($preferred_language) { $preferred_language='en'; }
+        if (!$preferred_language) { $preferred_language='en'; }
 # If the languageblock has no arguments, show the contents
         $result='1';
 # Do we have an include argument?