Index: trunk/admin/listview/listview.js
===================================================================
diff -u -r34 -r203
--- trunk/admin/listview/listview.js	(.../listview.js)	(revision 34)
+++ trunk/admin/listview/listview.js	(.../listview.js)	(revision 203)
@@ -196,9 +196,8 @@
 //This overrides the function in tabs.js for use in lists
 function edit_submit(formname, status_field, targetURL, save_value,env_str)
 {
-	
 	var full_env = env
-	if(env_str != null) full_env += env_str;
+	if( !((env_str == null) && typeof(env_str) == 'undefined') ) full_env += env_str;
 	
 	if(full_env.substr(0,3)!="env")
         full_env = 'env='+full_env;