diff --git a/drivers/staging/lustre/lnet/selftest/rpc.c b/drivers/staging/lustre/lnet/selftest/rpc.c
index ab8ba37249540c2307f40029feb030b8814b46f8..5d8908d258df1597823f9116c55a845977a6d6b1 100644
--- a/drivers/staging/lustre/lnet/selftest/rpc.c
+++ b/drivers/staging/lustre/lnet/selftest/rpc.c
@@ -256,7 +256,7 @@ srpc_service_init(struct srpc_service *svc)
 	svc->sv_shuttingdown = 0;
 
 	svc->sv_cpt_data = cfs_percpt_alloc(lnet_cpt_table(),
-					    sizeof(struct srpc_service_cd));
+					    sizeof(*svc->sv_cpt_data));
 	if (!svc->sv_cpt_data)
 		return -ENOMEM;