diff --git a/massa-node/base_config/openrpc.json b/massa-node/base_config/openrpc.json
index b6d2b090e6..01f7ea7fc9 100644
--- a/massa-node/base_config/openrpc.json
+++ b/massa-node/base_config/openrpc.json
@@ -2009,6 +2009,7 @@
                 "additionalProperties": false
             },
             "DeferredCall": {
+                "title": "DeferredCall",
                 "type": "object",
                 "required": [
                     "sender_address",
@@ -2055,6 +2056,7 @@
                 }
             },
             "DeferredCallsQuoteRequest": {
+                "title": "DeferredCallsQuoteRequest",
                 "type": "object",
                 "required": [
                     "target_slot",
@@ -2074,6 +2076,7 @@
                 }
             },
             "DeferredCallsQuoteResponse": {
+                "title": "DeferredCallsQuoteResponse",
                 "type": "object",
                 "required": [
                     "target_slot",
@@ -2097,6 +2100,7 @@
                 }
             },
             "DeferredCallResponse": {
+                "title": "DeferredCallResponse",
                 "type": "object",
                 "required": [
                     "call_id",
@@ -2112,6 +2116,7 @@
                 }
             },
             "DeferredCallsSlotResponse": {
+                "title": "DeferredCallsSlotResponse",
                 "type": "object",
                 "properties": {
                     "slot": {