diff --git a/sat/memory/disco.py b/sat/memory/disco.py
index cd30942f..8b1e5b9e 100755
--- a/sat/memory/disco.py
+++ b/sat/memory/disco.py
@@ -189,7 +189,7 @@ class Discovery(object):
             def infosEb(fail):
                 if fail.check(defer.CancelledError):
                     reason = "request time-out"
-                    fail = failure.Failure(exceptions.TimeOutError(fail.message))
+                    fail = failure.Failure(exceptions.TimeOutError(str(fail.value)))
                 else:
                     try:
                         reason = str(fail.value)