diff --git a/som_indexada/wizard/wizard_change_to_indexada.py b/som_indexada/wizard/wizard_change_to_indexada.py
index 5231a06fe..8deb15ffd 100644
--- a/som_indexada/wizard/wizard_change_to_indexada.py
+++ b/som_indexada/wizard/wizard_change_to_indexada.py
@@ -292,9 +292,9 @@ def change_to_indexada(self, cursor, uid, ids, context=None):
                     wiz.action_crear_contracte()
                     if not coeficient_k:
                         self.send_indexada_modcon_created_email(cursor, uid, polissa)
-        except Exception as e:
+        except Exception:
             polissa.send_signal("undo_modcontractual")
-            raise exceptions.UnexpectedException(e)
+            raise exceptions.UnexpectedException()
 
         wizard.write({"state": "end"})
         return polissa.modcontractuals_ids[0].id
diff --git a/som_polissa/exceptions/exceptions.py b/som_polissa/exceptions/exceptions.py
index ba60d784f..09cec8114 100644
--- a/som_polissa/exceptions/exceptions.py
+++ b/som_polissa/exceptions/exceptions.py
@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+import traceback
 from osv import osv
 from tools.translate import _
 
@@ -22,10 +23,10 @@ def to_dict(self):
 
 
 class UnexpectedException(SomPolissaException):
-    def __init__(self, e):
+    def __init__(self):
         super(UnexpectedException, self).__init__(
             title=_("Unexpected exception"),
-            text=repr(e)
+            text=traceback.format_exc()
         )
 
     @property