diff --git a/gestion/gest_crans.py b/gestion/gest_crans.py
index 6f11ca45..ad5adc52 100644
--- a/gestion/gest_crans.py
+++ b/gestion/gest_crans.py
@@ -1630,6 +1630,11 @@ def modif_adher(adher):
          arg = u'--title "Modification de %s" ' % adher.Nom()
          arg += u'--msgbox "ERREUR : la chambre de cet adhérent est inconnue !\n\n\n" 0 0'
          dialog(arg)
+    elif adher.mail() == '':
+         res= ['Mail']
+         arg = u'--title "Modification de %s" ' % adher.Nom()
+         arg += u'--msgbox "ERREUR : l\'adresse mail de cet adhérent est inconnue !\n\n\n" 0 0'
+         dialog(arg)
     else:
         payant = not isinstance(adher, Club) and adher.adherentPayant()
 
diff --git a/gestion/whos.py b/gestion/whos.py
index fe530684..afa5e507 100644
--- a/gestion/whos.py
+++ b/gestion/whos.py
@@ -400,9 +400,11 @@ def adher_details(adher) :
 
     # Mail
     GL = RMH = u''
-    if adher.mail().find(u'@')!=-1 :
+    if adher.mail().find(u'@')!=-1 or adher.mail() == '':
         f += coul(u'Adresse mail : ','gras')
-        if adher.mail_invalide():
+        if adher.mail() == '':
+            f += coul('INCONNUE','rouge')
+        elif adher.mail_invalide():
             f += coul(adher.mail(),'rouge')
         else:
             f += adher.mail()