diff --git a/github/Issue.py b/github/Issue.py
index 6a863638..e539cef4 100644
--- a/github/Issue.py
+++ b/github/Issue.py
@@ -406,7 +406,7 @@ class Issue(github.GithubObject.CompletableGithubObject):
             ]
         if "milestone" in attributes:  # pragma no branch
             assert attributes["milestone"] is None or isinstance(attributes["milestone"], dict), attributes["milestone"]
-            self._milestone = None if attributes["milestone"] is None else github.Milestone.Milestone(self._requester, attributes["milestone"], completed=False)
+            self._milestone = None if attributes["milestone"] is None else github.Milestone.Milestone(self._requester, self._headers, attributes["milestone"], completed=False)
         if "number" in attributes:  # pragma no branch
             assert attributes["number"] is None or isinstance(attributes["number"], (int, long)), attributes["number"]
             self._number = attributes["number"]
diff --git a/github/Milestone.py b/github/Milestone.py
index 2650d24b..9611d7b7 100644
--- a/github/Milestone.py
+++ b/github/Milestone.py
@@ -37,9 +37,6 @@ class Milestone(github.GithubObject.CompletableGithubObject):
     """
     This class represents Milestones. The reference can be found here http://developer.github.com/v3/issues/milestones/
     """
-    def __init__(self, requester, attributes, completed):
-        # Adapte for __init__ change, remove later
-        github.GithubObject.CompletableGithubObject.__init__(self, requester, {}, attributes, completed)
 
     @property
     def closed_issues(self):
diff --git a/github/Repository.py b/github/Repository.py
index 12de729f..93fa581a 100644
--- a/github/Repository.py
+++ b/github/Repository.py
@@ -629,7 +629,7 @@ class Repository(github.GithubObject.CompletableGithubObject):
             None,
             post_parameters
         )
-        return github.Milestone.Milestone(self._requester, data, completed=True)
+        return github.Milestone.Milestone(self._requester, headers, data, completed=True)
 
     def create_pull(self, *args, **kwds):
         """
@@ -1306,7 +1306,7 @@ class Repository(github.GithubObject.CompletableGithubObject):
             None,
             None
         )
-        return github.Milestone.Milestone(self._requester, data, completed=True)
+        return github.Milestone.Milestone(self._requester, headers, data, completed=True)
 
     def get_milestones(self, state=github.GithubObject.NotSet, sort=github.GithubObject.NotSet, direction=github.GithubObject.NotSet):
         """