diff --git a/src/main/java/cn/montaro/aria2/Aria2Client.java b/src/main/java/cn/montaro/aria2/Aria2Client.java
index 225fffc..b27a071 100644
--- a/src/main/java/cn/montaro/aria2/Aria2Client.java
+++ b/src/main/java/cn/montaro/aria2/Aria2Client.java
@@ -67,7 +67,7 @@ public interface Aria2Client {
 
     // TODO: define return type
     @Aria2Method(Aria2MethodName.TELL_STATUS)
-    Aria2Status tellStatus(String gid, String... keys);
+    Task tellStatus(String gid, String... keys);
 
     @Aria2Method(Aria2MethodName.GET_URIS)
     String getUris(String gid);