diff --git a/gitlab/objects.py b/gitlab/objects.py
index 58eb867ed..0c3d30dbd 100644
--- a/gitlab/objects.py
+++ b/gitlab/objects.py
@@ -23,6 +23,7 @@
 import itertools
 import json
 import sys
+import urllib
 import warnings
 
 import six
@@ -2348,7 +2349,7 @@ def repository_tree(self, path='', ref_name='', **kwargs):
         url = "/projects/%s/repository/tree" % (self.id)
         params = []
         if path:
-            params.append("path=%s" % path)
+            params.append(urllib.urlencode({'path': path}))
         if ref_name:
             params.append("ref_name=%s" % ref_name)
         if params:
@@ -2379,7 +2380,7 @@ def repository_blob(self, sha, filepath, streamed=False, action=None,
             GitlabGetError: If the server fails to perform the request.
         """
         url = "/projects/%s/repository/blobs/%s" % (self.id, sha)
-        url += '?filepath=%s' % (filepath)
+        url += '?%s' % (urllib.urlencode({'filepath': filepath}))
         r = self.gitlab._raw_get(url, streamed=streamed, **kwargs)
         raise_error_from_response(r, GitlabGetError)
         return utils.response_content(r, streamed, action, chunk_size)