diff --git a/lib/se/api/types/comment.rb b/lib/se/api/types/comment.rb
index 51cfa62..a3fc7e7 100644
--- a/lib/se/api/types/comment.rb
+++ b/lib/se/api/types/comment.rb
@@ -7,7 +7,7 @@ class Comment
       attr_reader :json
 
       def initialize(item_json)
-        @json = item_json
+        @json = Hash(item_json)
         @body = @json["body"]
         @body_markdown = @json["body_markdown"]
         @link = @json["link"]
diff --git a/lib/se/api/types/post.rb b/lib/se/api/types/post.rb
index 31e99b0..bcce02e 100644
--- a/lib/se/api/types/post.rb
+++ b/lib/se/api/types/post.rb
@@ -7,7 +7,7 @@ class Post
       attr_reader :json
 
       def initialize(item_json)
-        @json = item_json
+        @json = Hash(item_json)
         @body = @json["body"]
         @title = @json["title"]
         @link = @json["link"]
diff --git a/lib/se/api/types/user.rb b/lib/se/api/types/user.rb
index ff8df9a..6c913c3 100644
--- a/lib/se/api/types/user.rb
+++ b/lib/se/api/types/user.rb
@@ -4,7 +4,7 @@ class User
       attr_reader :json, :accept_rate, :badge_counts, :name, :link, :image, :reputation, :id, :type
 
       def initialize(item_json)
-        @json = item_json
+        @json = Hash(item_json)
         @accept_rate = @json["accept_rate"]
         @badge_counts = @json["badge_counts"]
         @name = @json["display_name"]