diff --git a/js/all-app.js b/js/all-app.js
index 2526a05..e5289fb 100644
--- a/js/all-app.js
+++ b/js/all-app.js
@@ -210,7 +210,8 @@
  *	lib/js/wn/meta.js
  */
 wn.provide('wn.meta.docfield_map');wn.provide('wn.meta.docfield_list');wn.provide('wn.meta.doctypes');$.extend(wn.meta,{add_field:function(df){wn.provide('wn.meta.docfield_map.'+df.parent);wn.meta.docfield_map[df.parent][df.fieldname||df.label]=df;if(!wn.meta.docfield_list[df.parent])
-wn.meta.docfield_list[df.parent]=[]
+wn.meta.docfield_list[df.parent]=[];for(var i in wn.meta.docfield_list[df.parent]){var d=wn.meta.docfield_list[df.parent][i];if(df.fieldname==d.fieldname)
+return;}
 wn.meta.docfield_list[df.parent].push(df);}});
 /*
  *	lib/js/wn/misc/tools.js
diff --git a/js/all-web.js b/js/all-web.js
index a91934b..cb6efeb 100644
--- a/js/all-web.js
+++ b/js/all-web.js
@@ -97,7 +97,8 @@
  *	lib/js/wn/meta.js
  */
 wn.provide('wn.meta.docfield_map');wn.provide('wn.meta.docfield_list');wn.provide('wn.meta.doctypes');$.extend(wn.meta,{add_field:function(df){wn.provide('wn.meta.docfield_map.'+df.parent);wn.meta.docfield_map[df.parent][df.fieldname||df.label]=df;if(!wn.meta.docfield_list[df.parent])
-wn.meta.docfield_list[df.parent]=[]
+wn.meta.docfield_list[df.parent]=[];for(var i in wn.meta.docfield_list[df.parent]){var d=wn.meta.docfield_list[df.parent][i];if(df.fieldname==d.fieldname)
+return;}
 wn.meta.docfield_list[df.parent].push(df);}});
 /*
  *	lib/js/wn/misc/tools.js