1 files changed, 1 insertions, 1 deletions
diff --git a/src/include/taler_wire_plugin.h b/src/include/taler_wire_plugin.h
index 00bcc42e9..62930450c 100644
--- a/src/include/taler_wire_plugin.h
+++ b/src/include/taler_wire_plugin.h
@@ -123,7 +123,7 @@ struct TALER_WIRE_Plugin
   (*prepare_wire_transfer) (void *cls,
                             const json_t *wire,
                             const struct TALER_Amount *amount,
-                            const void *wtid,
+                            const struct TALER_WireTransferIdentifierRawP *wtid,
                             TALER_WIRE_PrepareTransactionCallback ptc,
                             void *ptc_cls);