diff --git a/lib/shared/radix-tree.js b/lib/shared/radix-tree.js
--- a/lib/shared/radix-tree.js
+++ b/lib/shared/radix-tree.js
@@ -137,7 +137,7 @@
     let partLeft = key;
     while (node && partLeft.startsWith(node.part)) {
       if (node.leaf) {
-        return [...new Set(node.values)];
+        return [...node.values];
       }
       partLeft = partLeft.substring(node.part.length);
       const firstChar = partLeft[0] ?? '';