diff --git a/telegram/messageentity.py b/telegram/messageentity.py
index 9617ee5af50..9208d8c8f8a 100644
--- a/telegram/messageentity.py
+++ b/telegram/messageentity.py
@@ -55,6 +55,8 @@ def __init__(self, type, offset, length, url=None, user=None, **kwargs):
         self.url = url
         self.user = user
 
+        self._id_attrs = (self.type, self.offset, self.length)
+
     @classmethod
     def de_json(cls, data, bot):
         data = super(MessageEntity, cls).de_json(data, bot)
diff --git a/tests/test_messageentity.py b/tests/test_messageentity.py
index 6b447bfb804..9cba2596943 100644
--- a/tests/test_messageentity.py
+++ b/tests/test_messageentity.py
@@ -64,3 +64,19 @@ def test_to_dict(self, message_entity):
             assert entity_dict['url'] == message_entity.url
         if message_entity.user:
             assert entity_dict['user'] == message_entity.user.to_dict()
+
+    def test_equality(self):
+        a = MessageEntity(MessageEntity.BOLD, 2, 3)
+        b = MessageEntity(MessageEntity.BOLD, 2, 3)
+        c = MessageEntity(MessageEntity.CODE, 2, 3)
+        d = MessageEntity(MessageEntity.CODE, 5, 6)
+
+        assert a == b
+        assert hash(a) == hash(b)
+        assert a is not b
+
+        assert a != c
+        assert hash(a) != hash(c)
+
+        assert a != d
+        assert hash(a) != hash(d)