diff --git a/src/platform-aws.c b/src/platform-aws.c
index 3c06caa1e..0f72ebab3 100644
--- a/src/platform-aws.c
+++ b/src/platform-aws.c
@@ -97,14 +97,14 @@ struct ec2_platform_data {
 		.name = "trn1.32xlarge",
 		.gdr_required = true,
 		.net_flush_required = true,
-		.default_protocol = "RDMA",
+		.default_protocol = "SENDRECV",
 		.domain_per_thread = 1,
 	},
 	{
 		.name = "trn1n.32xlarge",
 		.gdr_required = true,
 		.net_flush_required = true,
-		.default_protocol = "RDMA",
+		.default_protocol = "SENDRECV",
 		.domain_per_thread = 1,
 	}
 };