diff --git a/srpt/src/ib_srpt.c b/srpt/src/ib_srpt.c
index 37aeab09a..0d6e82fea 100644
--- a/srpt/src/ib_srpt.c
+++ b/srpt/src/ib_srpt.c
@@ -1146,8 +1146,9 @@ static int srpt_build_cmd_rsp(struct srpt_rdma_ch *ch,
 	int sense_data_len;
 	int resp_len;
 
-	sense_data_len = (s_key == NO_SENSE) ? 0
-		: sizeof(*sense) + sizeof(*sense) % 4;
+	BUILD_BUG_ON((sizeof(*sense) % 4) != 0);
+
+	sense_data_len = (s_key == NO_SENSE) ? 0 : sizeof(*sense);
 	resp_len = sizeof(*srp_rsp) + sense_data_len;
 
 	srp_rsp = ioctx->buf;