diff --git a/chrome/content/zotero/xpcom/fulltext.js b/chrome/content/zotero/xpcom/fulltext.js
index cb9891f32..207813d13 100644
--- a/chrome/content/zotero/xpcom/fulltext.js
+++ b/chrome/content/zotero/xpcom/fulltext.js
@@ -266,7 +266,7 @@ Zotero.Fulltext = new function(){
 		}
 		Zotero.DB.query('INSERT OR IGNORE INTO fulltextWords (word) SELECT word FROM indexing.fulltextWords');
 		Zotero.DB.query('DELETE FROM fulltextItemWords WHERE itemID = ?', [itemID]);
-		Zotero.DB.query('INSERT INTO fulltextItemWords (wordID, itemID) SELECT wordID, ? FROM fulltextWords JOIN indexing.fulltextWords USING(word)', [itemID]);
+		Zotero.DB.query('INSERT OR IGNORE INTO fulltextItemWords (wordID, itemID) SELECT wordID, ? FROM fulltextWords JOIN indexing.fulltextWords USING(word)', [itemID]);
 		Zotero.DB.query("REPLACE INTO fulltextItems (itemID, version) VALUES (?,?)", [itemID, 0]);
 		Zotero.DB.query("DELETE FROM indexing.fulltextWords");