diff --git a/project.clj b/project.clj
index ba88995..6f3c1e8 100644
--- a/project.clj
+++ b/project.clj
@@ -1,4 +1,4 @@
-(defproject json-path "0.3.0"
+(defproject json-path "0.3.0-local"
   :description "JSON Path for Clojure data structures"
   :url "http://github.com/gga/json-path"
   :dependencies [[org.clojure/clojure "1.5.0"]]
diff --git a/src/json_path/walker.clj b/src/json_path/walker.clj
index 3dc5b75..3ca3d29 100644
--- a/src/json_path/walker.clj
+++ b/src/json_path/walker.clj
@@ -42,8 +42,7 @@
                                  (let [sel (nth sel-expr 1)]
                                    (if (= "*" sel)
                                      (:current context)
-                                     (nth (:current context) (Integer/parseInt sel))))
-                                 (throw (Exception. "object must be an array.")))
+                                     (nth (:current context) (Integer/parseInt sel) nil))))
    (= :filter (first sel-expr)) (filter #(eval-expr (nth sel-expr 1) (assoc context :current %)) (:current context))))
 
 (defn walk [[opcode operand continuation] context]
diff --git a/test/json_path/test/walker_test.clj b/test/json_path/test/walker_test.clj
index 4681743..63a123d 100644
--- a/test/json_path/test/walker_test.clj
+++ b/test/json_path/test/walker_test.clj
@@ -36,8 +36,8 @@
                  {:current  [{:bar "wrong"} {:bar "baz"}]}) => [{:bar "baz"}])
 
 (fact "selecting places constraints on the shape of the object being selected from"
-  (walk-selector [:index "1"] {:current {:foo "bar"}}) => (throws Exception)
-  (walk-selector [:index "*"] {:current {:foo "bar"}}) => (throws Exception))
+  (walk-selector [:index "1"] {:current {:foo "bar"}}) => nil
+  (walk-selector [:index "*"] {:current {:foo "bar"}}) => nil)
 
 (facts
   (walk [:path [[:root]]] {:root ...json...}) => ...json...