diff --git a/gestion/whos.py b/gestion/whos.py
index 84025ce2..5d49c5bf 100755
--- a/gestion/whos.py
+++ b/gestion/whos.py
@@ -622,6 +622,9 @@ def prise_etat(chbre) :
 	else : 
 	    f+= ', activée, lien non détecté'
     except :
+	if debug :
+	    import traceback
+	    traceback.print_exc()
 	# Switch non manageable
 	f = 'informations prise non disponibles'