diff --git a/offchain/inspect-server/src/server.rs b/offchain/inspect-server/src/server.rs
index b2572f188..121b531aa 100644
--- a/offchain/inspect-server/src/server.rs
+++ b/offchain/inspect-server/src/server.rs
@@ -14,6 +14,9 @@ use crate::inspect::{
     CompletionStatus, InspectClient, InspectStateResponse, Report,
 };
 
+// (2^20 - 64) bytes, which is the length of the RX buffer minus metadata
+const CARTESI_MACHINE_RX_BUFFER_LIMIT: usize = 1_048_512;
+
 pub fn create(
     config: &InspectServerConfig,
     inspect_client: InspectClient,
@@ -24,6 +27,7 @@ pub fn create(
         let cors = Cors::permissive();
         App::new()
             .app_data(web::Data::new(inspect_client.clone()))
+            .app_data(web::PayloadConfig::new(CARTESI_MACHINE_RX_BUFFER_LIMIT))
             .wrap(middleware::Logger::default())
             .wrap(cors)
             .service(