diff --git a/src/exchange-lib/testing_api_traits.c b/src/exchange-lib/testing_api_traits.c
index c83c7e778..051bd202c 100644
--- a/src/exchange-lib/testing_api_traits.c
+++ b/src/exchange-lib/testing_api_traits.c
@@ -74,6 +74,7 @@ TALER_TESTING_get_trait (const struct TALER_TESTING_Trait *traits,
   GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
               "Trait %s/%u not found.\n",
               trait, index);
+
   return GNUNET_SYSERR;
 }