diff --git a/src/com/rpl/specter/impl.cljc b/src/com/rpl/specter/impl.cljc
index fbaf5ed..32007b7 100644
--- a/src/com/rpl/specter/impl.cljc
+++ b/src/com/rpl/specter/impl.cljc
@@ -97,8 +97,12 @@
   (-invoke [this p01 p02 p03 p04 p05 p06 p07 p08 p09 p10
                  p11 p12 p13 p14 p15 p16 p17 p18 p19 p20
                  rest]
-    ;;TODO: fill this in for cljs
-    (println "Var arity version in cljs!")
+    (let [a (object-array
+              (concat 
+                [p01 p02 p03 p04 p05 p06 p07 p08 p09 p10
+                p11 p12 p13 p14 p15 p16 p17 p18 p19 p20]
+                rest))]
+      (com.rpl.specter.impl/bind-params* this a 0))
     ))
 )
 
diff --git a/test/com/rpl/specter/core_test.cljc b/test/com/rpl/specter/core_test.cljc
index 61d310d..e2a4985 100644
--- a/test/com/rpl/specter/core_test.cljc
+++ b/test/com/rpl/specter/core_test.cljc
@@ -523,3 +523,12 @@
             ))
         ))))
 
+(deftest large-params-test
+  (let [path (apply s/comp-paths (repeat 25 s/keypath))
+        m (reduce 
+            (fn [m k]
+              {k m})
+            :a 
+            (reverse (range 25)))]
+    (is (= :a (s/select-one (apply path (range 25)) m)))
+    ))