--- loncom/homework/lonhomework.pm	2009/02/17 15:25:18	1.302
+++ loncom/homework/lonhomework.pm	2009/02/18 06:56:48	1.303
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # The LON-CAPA Homework handler
 #
-# $Id: lonhomework.pm,v 1.302 2009/02/17 15:25:18 jms Exp $
+# $Id: lonhomework.pm,v 1.303 2009/02/18 06:56:48 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -1140,7 +1140,7 @@ sub update_construct_style {
 	&& !defined($env{'form.newrandomization'})) {
 	if ((!$env{'form.style_file'} && $env{'construct.style'})
 	    ||$env{'form.clear_style_file'}) {
-	    &Apache::lonnet::delenv('construct\\.style');
+	    &Apache::lonnet::delenv('construct.style');
 	} elsif ($env{'form.style_file'} 
 	    && $env{'construct.style'} ne $env{'form.style_file'}) {
 	    &Apache::lonnet::appenv({'construct.style' =>