diff --git a/lib/routes/apiv1.js b/lib/routes/apiv1.js
index 5c7e0986..c6fe3575 100644
--- a/lib/routes/apiv1.js
+++ b/lib/routes/apiv1.js
@@ -673,7 +673,7 @@ function getKeysTree (req, res, next) {
   console.log(sf('loading keys by prefix "{0}"', prefix));
   let search;
   if (prefix) {
-    search = prefix.replace('*', '\\*') + foldingCharacter + '*';
+    search = prefix.replace(/[\*\[\]\?]/, '\\$&') + foldingCharacter + '*';
   } else {
     search = rootPattern;
   }