diff --git a/src/node/utils/ExportEtherpad.js b/src/node/utils/ExportEtherpad.js
index 1d0990ef1..79552db9c 100644
--- a/src/node/utils/ExportEtherpad.js
+++ b/src/node/utils/ExportEtherpad.js
@@ -21,7 +21,7 @@ var ERR = require("async-stacktrace");
 
 exports.getPadRaw = function(padId, callback){
 
-  padId=padId.replace('*','')
+  padId=padId.replace(/[\*%]/g,'')
   async.waterfall([
   function(cb){