diff --git a/helpers.lua b/helpers.lua
index afda962..ed5ed74 100644
--- a/helpers.lua
+++ b/helpers.lua
@@ -938,6 +938,7 @@ function logout()
         delete_cookie()
         cache:delete("session_"..authUser)
         cache:delete(authUser.."-"..conf["ldap_identifier"]) -- Ugly trick to reload cache
+        cache:delete(authUser.."-password")
         flash("info", t("logged_out"))
     end