diff --git a/modules/dlfp/browser.py b/modules/dlfp/browser.py
index d064c9a6..f909baf7 100644
--- a/modules/dlfp/browser.py
+++ b/modules/dlfp/browser.py
@@ -213,7 +213,7 @@ class DLFP(BaseBrowser):
         return (self.username is None or (self.page and self.page.is_logged()))
 
     def close_session(self):
-        self.openurl('/compte/deconnexion', {})
+        self.openurl('/compte/deconnexion', '')
 
     def plusse(self, url):
         return self.relevance(url, 'for')