diff --git a/chrome/content/zotero/xpcom/schema.js b/chrome/content/zotero/xpcom/schema.js
index 65078829a..27e02e090 100644
--- a/chrome/content/zotero/xpcom/schema.js
+++ b/chrome/content/zotero/xpcom/schema.js
@@ -858,6 +858,10 @@ Zotero.Schema = new function(){
 						}
 					}
 				}
+				
+				if (i==25) {
+					Zotero.DB.query("UPDATE itemData SET fieldID=100 WHERE itemID IN (SELECT itemID FROM items WHERE itemTypeID=15) AND fieldID=14;")
+				}
 			}
 			
 			_updateSchema('userdata');
diff --git a/userdata.sql b/userdata.sql
index 64042aae4..65c7525b3 100644
--- a/userdata.sql
+++ b/userdata.sql
@@ -1,4 +1,4 @@
--- 24
+-- 25
 
 -- This file creates tables containing user-specific data -- any changes
 -- to existing tables made here must be mirrored in transition steps in