diff --git a/modules/creditmutuel/pages.py b/modules/creditmutuel/pages.py
index db5d1f2feff2f916b057b08be70d4b13cd5d4116..e0f901a9a234b8dacb205f6b43b05eb54b7ba48a 100644
--- a/modules/creditmutuel/pages.py
+++ b/modules/creditmutuel/pages.py
@@ -109,6 +109,9 @@ def on_load(self):
             # a expiré. Merci de bien vouloir vous identifier à nouveau.'
             self.logger.warning('Restarting connection because it expired')
             return
+        elif 'antivirus' in error_msg.lower():
+            self.logger.warning("This error message doesn't impact the success of the connection %s", error_msg)
+            return
         assert not error_msg, "Unhandled error: '%s'" % error_msg
 
     def login(self, login, passwd, redirect=False):