diff --git a/regulations/tests/urls_test.py b/regulations/tests/urls_test.py
index a5c78c1b..88bba567 100644
--- a/regulations/tests/urls_test.py
+++ b/regulations/tests/urls_test.py
@@ -33,3 +33,9 @@ def test_diff_url(self):
             args=('201-2', '2011-1738_20121011', '2012-22345_20131022'))
         self.assertEqual(
             r, '/diff/201-2/2011-1738_20121011/2012-22345_20131022')
+
+    def test_diff_url_supports_multiple_dashes(self):
+        r = reverse(
+            'chrome_section_diff_view',
+            args=('201-Interp-XYZ', '2011-1738', '2012-22345'))
+        self.assertEqual(r, '/diff/201-Interp-XYZ/2011-1738/2012-22345')
diff --git a/regulations/urls.py b/regulations/urls.py
index 479190d7..01ec81cb 100644
--- a/regulations/urls.py
+++ b/regulations/urls.py
@@ -28,7 +28,7 @@
 notice_pattern = meta_version % 'notice_id'
 
 reg_pattern = r'(?P<label_id>[\d]+)'
-section_pattern = r'(?P<label_id>[\d]+[-][\w]+)'
+section_pattern = r'(?P<label_id>[\d]+[-][\w-]+)'
 interp_pattern = r'(?P<label_id>[-\d\w]+[-]Interp)'
 paragraph_pattern = r'(?P<label_id>[-\d\w]+)'
 subterp_pattern = r'(?P<label_id>[\d]+-(Appendices|Subpart(-[A-Z]+)?)-Interp)'