diff --git a/src/herolabs/apns/message.clj b/src/herolabs/apns/message.clj
index 2318258..e36d591 100644
--- a/src/herolabs/apns/message.clj
+++ b/src/herolabs/apns/message.clj
@@ -4,11 +4,7 @@
 (defn with-badge [message number] (assoc-in message [:aps :badge ] number))
 
 (defn with-sound [message sound]
-  (cond
-    (= :default sound) (update-in message [:aps ] #(dissoc % :sound ))
-    (= "default" sound) (update-in message [:aps ] #(dissoc % :sound ))
-    :else (assoc-in message [:aps :sound ] sound)
-    )
+  (assoc-in message [:aps :sound ] (name sound))
   )
 
 (defn with-standard-alert [message body]
@@ -44,4 +40,5 @@
   (if key
     (assoc-in message [:aps :alert :body ] body)
     message)
-  )
\ No newline at end of file
+  )
+
diff --git a/test/herolabs_test/apns/message.clj b/test/herolabs_test/apns/message.clj
index eb67d05..5bd20be 100644
--- a/test/herolabs_test/apns/message.clj
+++ b/test/herolabs_test/apns/message.clj
@@ -7,9 +7,9 @@
 
 (facts "about message assembly"
   (with-badge {} 1) => (just {:aps {:badge 1}})
-  (with-sound {} :default) => (just {:aps nil})
-  (with-sound {} "default") => (just {:aps nil})
-  (with-sound {} :chimes) => (just {:aps {:sound :chimes}})
+  (with-sound {} :default) => (just {:aps {:sound "default"}})
+  (with-sound {} "default") => (just {:aps {:sound "default"}})
+  (with-sound {} :chimes) => (just {:aps {:sound "chimes"}})
   (with-standard-alert {} "Hello world") => (just {:aps {:alert "Hello world"}})
   (with-action-loc-key {} "TEST") => (just {:aps {:alert {:action-loc-key "TEST"}}})
   (with-loc-key {} "TEST") => (just {:aps {:alert {:loc-key "TEST"}}})