diff --git a/modules/reitit-core/src/reitit/segment.cljc b/modules/reitit-core/src/reitit/segment.cljc
index 0ab1aca2..c317a71a 100644
--- a/modules/reitit-core/src/reitit/segment.cljc
+++ b/modules/reitit-core/src/reitit/segment.cljc
@@ -61,7 +61,10 @@
 
 (defn scanner [compiled-tries]
   "Returns a new compiled trie that does linear scan on the given compiled tries on [[lookup]]."
-  #?(:cljs (fn [path] (some (fn [trie] (lookup trie path)) compiled-tries))
+  #?(:cljs (reify
+             Segment
+             (-lookup [_ ps params]
+               (some (fn [trie] (-lookup trie ps params)) compiled-tries)))
      :clj  (SegmentTrie/scanner compiled-tries)))
 
 (defn lookup [trie path]