1 files changed, 2 insertions, 1 deletions
diff --git a/src/backenddb/plugin_merchantdb_postgres.c b/src/backenddb/plugin_merchantdb_postgres.c
index d45e2fbb..8a86c2a0 100644
--- a/src/backenddb/plugin_merchantdb_postgres.c
+++ b/src/backenddb/plugin_merchantdb_postgres.c
@@ -2151,7 +2151,8 @@ postgres_update_contract_terms (void *cls,
                                   &refund_deadline),
       GNUNET_JSON_spec_mark_optional (
         GNUNET_JSON_spec_string ("fulfillment_url",
-                                 &fulfillment_url)),
+                                 &fulfillment_url),
+        NULL),
       GNUNET_JSON_spec_end ()
     };
     enum GNUNET_GenericReturnValue res;