diff --git a/src/sakia/services/documents.py b/src/sakia/services/documents.py
index 7c495c383b9c82e81a0c2551dadf567504c72754..15077ac979879d1b463fb690b61bbee5b68831b7 100644
--- a/src/sakia/services/documents.py
+++ b/src/sakia/services/documents.py
@@ -100,7 +100,7 @@ class DocumentsService:
         responses = await self._bma_connector.broadcast(
             connection.currency,
             bma.wot.add,
-            req_args={"identity": identity_doc.signed_raw()},
+            req_args={"identity_signed_raw": identity_doc.signed_raw()},
         )
         result = await parse_bma_responses(responses)