diff --git a/src/main/java/org/ntlab/nemophila/resources/accounts/AccountRest.java b/src/main/java/org/ntlab/nemophila/resources/accounts/AccountRest.java
index 13958fa..fa35dbf 100644
--- a/src/main/java/org/ntlab/nemophila/resources/accounts/AccountRest.java
+++ b/src/main/java/org/ntlab/nemophila/resources/accounts/AccountRest.java
@@ -6,6 +6,7 @@
 import org.springframework.stereotype.Component;
 
 import javax.ws.rs.*;
+import javax.ws.rs.core.MediaType;
 
 @Component
 @Path("/accounts")
@@ -13,6 +14,7 @@
 
     //ユーザー情報の取得
     @GET
+    @Produces(MediaType.APPLICATION_JSON)
     @Path("/{uid}")
     public Account getAccount(@PathParam("uid") String uid){
         AccountManager am = AccountManager.getInstance();