diff -r ec858780b6b7 -r 0e50215016f3 cubicweb/web/views/basetemplates.py
--- a/cubicweb/web/views/basetemplates.py	Thu Jun 23 08:53:21 2016 +0200
+++ b/cubicweb/web/views/basetemplates.py	Thu Jun 23 15:52:04 2016 +0200
@@ -510,7 +510,8 @@
                 stitle = u' '
             w(u'<div class="loginTitle">%s</div>' % stitle)
         w(u'<div class="loginContent">\n')
-        message = self._cw.message  # don't call self._cw.message twice
+        # don't call self._cw.message twice since it pops the id
+        message = self._cw.message
         if showmessage and message:
             w(u'<div class="loginMessage">%s</div>\n' % message)
         config = self._cw.vreg.config