1 files changed, 2 insertions, 2 deletions
diff --git a/src/backend/taler-merchant-httpd_helper.c b/src/backend/taler-merchant-httpd_helper.c
index b869770f..0120b7b3 100644
--- a/src/backend/taler-merchant-httpd_helper.c
+++ b/src/backend/taler-merchant-httpd_helper.c
@@ -129,8 +129,8 @@ TMH_taxes_array_valid (const json_t *taxes)
     struct GNUNET_JSON_Specification spec[] = {
       GNUNET_JSON_spec_string ("name",
                                &name),
-      TALER_JSON_spec_amount ("tax",
-                              &amount),
+      TALER_JSON_spec_amount_any ("tax",
+                                  &amount),
       GNUNET_JSON_spec_end ()
     };
     enum GNUNET_GenericReturnValue res;