--- loncom/xml/londefdef.pm	2016/08/13 20:01:52	1.456.2.2
+++ loncom/xml/londefdef.pm	2017/01/30 20:14:31	1.456.2.3
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Tags Default Definition Module 
 #
-# $Id: londefdef.pm,v 1.456.2.2 2016/08/13 20:01:52 raeburn Exp $
+# $Id: londefdef.pm,v 1.456.2.3 2017/01/30 20:14:31 raeburn Exp $
 # 
 #
 # Copyright Michigan State University Board of Trustees
@@ -812,7 +812,7 @@ sub end_h1 {
 	$currentstring .= $token->[2];
     } elsif ($target eq 'tex') {
 	my $post='\vskip 0 mm ';
-	my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
+	my $align=lc(&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1));
 	if ($align eq 'center') {
 	    $post='\end{center}';
 	} elsif ($align eq 'left') {