diff --git a/app/src/main/java/com/example/tampopo_client/resources/ActivitiesResource.java b/app/src/main/java/com/example/tampopo_client/resources/ActivitiesResource.java
index c30407e..cef31d5 100644
--- a/app/src/main/java/com/example/tampopo_client/resources/ActivitiesResource.java
+++ b/app/src/main/java/com/example/tampopo_client/resources/ActivitiesResource.java
@@ -2,6 +2,7 @@
 
 import com.example.tampopo_client.models.Activity;
 
+import java.util.HashMap;
 import java.util.List;
 
 import retrofit2.Call;
@@ -15,7 +16,7 @@
 
 public interface ActivitiesResource {
     @GET("users/{user_id}/activities")
-    Call<List<Activity>> getActivities(@Path("user_id") String userId, @Query("filter") String filter);
+    Call<HashMap<String, Activity>> getActivities(@Path("user_id") String userId, @Query("filter") String filter);
 
     @POST("users/{user_id}/activities")
     @FormUrlEncoded