diff --git a/combo_plugin_nanterre/views.py b/combo_plugin_nanterre/views.py
index 9d4f2fe..6e5788c 100644
--- a/combo_plugin_nanterre/views.py
+++ b/combo_plugin_nanterre/views.py
@@ -72,7 +72,7 @@ def saga_transaction(request):
     try:
         saga = rsu_post(request, 'saga/[user_nameid]/transaction/', payload)
     except:
-        logger.error('[rsu/saga] failed to create transaction '
+        logger.exception('[rsu/saga] failed to create transaction '
                      'for num_factures=%s', num_factures)
         messages.error(request, ERROR_MESSAGE)
         return HttpResponseRedirect(error_url)