diff --git a/weboob/tools/browser2/page.py b/weboob/tools/browser2/page.py
index 59154893..0015159b 100644
--- a/weboob/tools/browser2/page.py
+++ b/weboob/tools/browser2/page.py
@@ -130,7 +130,7 @@ class URL(object):
 
         for regex in self.urls:
             if regex.startswith('/'):
-                regex = base + regex
+                regex = re.escape(base) + regex
             m = re.match(regex, url)
             if m:
                 return m