diff --git a/hgext/phabricator.py b/hgext/phabricator.py
index 6fb281f39c259927ac0a8c2d42ce81bc6ac1d7d4_aGdleHQvcGhhYnJpY2F0b3IucHk=..04c6de38734dc0534da29c0e05d9498214583b91_aGdleHQvcGhhYnJpY2F0b3IucHk= 100644
--- a/hgext/phabricator.py
+++ b/hgext/phabricator.py
@@ -136,8 +136,8 @@
 
     def sanitiserequest(request):
         request.body = re.sub(
-            r'cli-[a-z0-9]+',
-            r'cli-hahayouwish',
+            br'cli-[a-z0-9]+',
+            br'cli-hahayouwish',
             request.body
         )
         return request