diff --git a/chrome/content/zotero/xpcom/fulltext.js b/chrome/content/zotero/xpcom/fulltext.js
index ab7a1b157..e1330d793 100644
--- a/chrome/content/zotero/xpcom/fulltext.js
+++ b/chrome/content/zotero/xpcom/fulltext.js
@@ -117,7 +117,7 @@ Zotero.Fulltext = new function(){
 		}
 		
 		this.startContentProcessor();
-		Zotero.addShutdownListener(this.stopContentProcessor);
+		Zotero.addShutdownListener(this.stopContentProcessor.bind(this));
 	}