diff --git a/doc/python_stub.py b/doc/python_stub.py
index afb2a6926..a5422af0b 100755
--- a/doc/python_stub.py
+++ b/doc/python_stub.py
@@ -39,7 +39,7 @@ from typing import Dict
 """
 
 CONSTANT_RE = (
-    r"  `(?P<constant>WEECHAT_[A-Z0-9_]+)` "
+    r"( |\|) `(?P<constant>WEECHAT_[A-Z0-9_]+)` "
     r"\((?P<type>(string|integer))\)(?: \+)?"
 )