diff --git a/src/main/java/org/ntlab/nemophila/resources/accounts/AccountsRest.java b/src/main/java/org/ntlab/nemophila/resources/accounts/AccountsRest.java
index da82f8b..212a7c4 100644
--- a/src/main/java/org/ntlab/nemophila/resources/accounts/AccountsRest.java
+++ b/src/main/java/org/ntlab/nemophila/resources/accounts/AccountsRest.java
@@ -11,9 +11,10 @@
 @Path("/accounts")
 public class AccountsRest {
     @POST
+    @Produces(MediaType.APPLICATION_JSON)
     public Account createAccount(@FormParam("name") String name, @FormParam("pw") String pw) {
         AccountManager am = AccountManager.getInstance();
-        Account newAccount = createAccount(name,pw);
+        Account newAccount = am.createAccount(name,pw);
 
         return newAccount;
     }