diff --git a/chrome/content/zotero/xpcom/ingester.js b/chrome/content/zotero/xpcom/ingester.js
index a71b728a44..bbf26b340e 100644
--- a/chrome/content/zotero/xpcom/ingester.js
+++ b/chrome/content/zotero/xpcom/ingester.js
@@ -152,7 +152,7 @@ Zotero.OpenURL = new function() {
 		// rft_id=info:doi/<the-url-encoded-doi>
 		// rft_id=http://<the-rest-of-the-url-encoded-url>
 		if(version == "0.1") {
-			var co = "";
+			var co = "sid=Zotero:"+encodeURIComponent(Zotero.version);
 			
 			for each(identifier in identifiers) {
 				co += "&id="+encodeURIComponent(identifier);
@@ -246,11 +246,6 @@ Zotero.OpenURL = new function() {
 		if(item.ISBN) co += _mapTag(item.ISBN, "isbn", version);
 		if(item.ISSN) co += _mapTag(item.ISSN, "issn", version);
 		
-		if(version == "0.1") {
-			// chop off leading & sign if version is 0.1
-			co = co.substr(1);
-		}
-		
 		return co;
 	}