diff --git a/chrome/content/zotero/ZoteroProtocolHandler.jsm b/chrome/content/zotero/ZoteroProtocolHandler.jsm
index c50628f3e1..1fb8f6e3cc 100644
--- a/chrome/content/zotero/ZoteroProtocolHandler.jsm
+++ b/chrome/content/zotero/ZoteroProtocolHandler.jsm
@@ -1205,13 +1205,13 @@ function ZoteroProtocolHandler() {
 				location.position = {
 					type: 'FragmentSelector',
 					conformsTo: 'http://www.idpf.org/epub/linking/cfi/epub-cfi.html',
-					value: cfi
+					value: decodeURIComponent(cfi)
 				};
 			}
 			else if (sel) {
 				location.position = {
 					type: 'CssSelector',
-					value: sel
+					value: decodeURIComponent(sel)
 				};
 			}