diff --git a/CHANGES.rst b/CHANGES.rst
index 9f5c714b..3daffe07 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,6 +1,15 @@
Change Log
----------
+0.999999/1.0b7
+~~~~~~~~~~~~~~
+
+Released on July 7, 2015
+
+* Fix #189: fix the sanitizer to allow relative URLs again (as it did
+ prior to 0.9999/1.0b5).
+
+
0.99999/1.0b6
~~~~~~~~~~~~~
diff --git a/html5lib/sanitizer.py b/html5lib/sanitizer.py
index d0202aab..2cef2655 100644
--- a/html5lib/sanitizer.py
+++ b/html5lib/sanitizer.py
@@ -208,7 +208,7 @@ def allowed_token(self, token, token_type):
# remove replacement characters from unescaped characters
val_unescaped = val_unescaped.replace("\ufffd", "")
uri = urlparse.urlparse(val_unescaped)
- if uri:
+ if uri and uri.scheme:
if uri.scheme not in self.allowed_protocols:
del attrs[attr]
if uri.scheme == 'data':
diff --git a/html5lib/tests/test_sanitizer.py b/html5lib/tests/test_sanitizer.py
index 71cdde30..0507d86b 100644
--- a/html5lib/tests/test_sanitizer.py
+++ b/html5lib/tests/test_sanitizer.py
@@ -40,6 +40,10 @@ def test_should_handle_astral_plane_characters():
assert '
𝒵 𝔸
") +def test_should_allow_relative_uris(): + assert '