diff --git a/duniterpy/api/bma/blockchain.py b/duniterpy/api/bma/blockchain.py
index a76e587bec03fe57602d0c0783f1c6742e806db2..c61c4e1d970e7844094450dc7288ab24628b76e8 100644
--- a/duniterpy/api/bma/blockchain.py
+++ b/duniterpy/api/bma/blockchain.py
@@ -208,12 +208,18 @@ PARAMETERS_SCHEMA = {
             "sigQty": {
                 "type": "number"
             },
+            "sigReplay": {
+                "type": "number"
+            },
             "xpercent": {
                 "type": "number"
             },
             "msValidity": {
                 "type": "number"
             },
+            "msPeriod": {
+                "type": "number"
+            },
             "stepMax": {
                 "type": "number"
             },