diff --git a/translators/zotero.org.js b/translators/zotero.org.js
index 8ca1dd806..6716b6096 100644
--- a/translators/zotero.org.js
+++ b/translators/zotero.org.js
@@ -3,7 +3,7 @@
 	"translatorType":4,
 	"label":"zotero.org",
 	"creator":"Dan Stillman",
-	"target":"^http://[^/]*zotero\\.org/[^/]+/[0-9]+/(items(/?[0-9]+?)?|items/collection/[0-9]+)(\\?.*)?$",
+	"target":"^https?://[^/]*zotero\\.org/[^/]+/[0-9]+/(items(/?[0-9]+?)?|items/collection/[0-9]+)(\\?.*)?$",
 	"minVersion":"1.0",
 	"maxVersion":"",
 	"priority":100,