diff --git a/chrome/content/zotero/xpcom/ipc.js b/chrome/content/zotero/xpcom/ipc.js
index e4a90f09d9..d395d6c005 100755
--- a/chrome/content/zotero/xpcom/ipc.js
+++ b/chrome/content/zotero/xpcom/ipc.js
@@ -485,7 +485,7 @@ Zotero.IPC.Pipe.Poll.prototype = {
 		// clear file
 		var foStream = Components.classes["@mozilla.org/network/file-output-stream;1"].
 			createInstance(Components.interfaces.nsIFileOutputStream);
-		foStream.init(_fifoFile, 0x02 | 0x08 | 0x20, 0666, 0); 
+		foStream.init(this._file, 0x02 | 0x08 | 0x20, 0666, 0); 
 		foStream.close();
 	}
 };
\ No newline at end of file