diff --git a/ansible/group_vars/boot.yml b/ansible/group_vars/boot.yml
index 4900a24..27ebc1f 100644
--- a/ansible/group_vars/boot.yml
+++ b/ansible/group_vars/boot.yml
@@ -37,6 +37,7 @@ nim_waku_rpc_tcp_port: 8545
 nim_waku_websock_port: 443
 
 # Limits
+nim_waku_max_msg_size: '1024KiB'
 nim_waku_p2p_max_connections: 300
 nim_waku_ip_colocation_limit: 100