diff --git a/iscsi-scst/kernel/nthread.c b/iscsi-scst/kernel/nthread.c
index 76fc7f6b9..bfc920bbe 100644
--- a/iscsi-scst/kernel/nthread.c
+++ b/iscsi-scst/kernel/nthread.c
@@ -1076,7 +1076,7 @@ int istrd(void *arg)
 	PRINT_INFO("Read thread for pool %p started, PID %d", p, current->pid);
 
 	current->flags |= PF_NOFREEZE;
-#ifdef RHEL_MAJOR
+#if defined(RHEL_MAJOR) && RHEL_MAJOR -0 <= 5
 	rc = set_cpus_allowed(current, p->cpu_mask);
 #else
 	rc = set_cpus_allowed_ptr(current, &p->cpu_mask);
@@ -1847,7 +1847,7 @@ int istwr(void *arg)
 	PRINT_INFO("Write thread for pool %p started, PID %d", p, current->pid);
 
 	current->flags |= PF_NOFREEZE;
-#ifdef RHEL_MAJOR
+#if defined(RHEL_MAJOR) && RHEL_MAJOR -0 <= 5
 	rc = set_cpus_allowed(current, p->cpu_mask);
 #else
 	rc = set_cpus_allowed_ptr(current, &p->cpu_mask);
diff --git a/scst/src/scst_main.c b/scst/src/scst_main.c
index e30ddead7..98706b692 100644
--- a/scst/src/scst_main.c
+++ b/scst/src/scst_main.c
@@ -1630,7 +1630,7 @@ int scst_add_threads(struct scst_cmd_threads *cmd_threads,
 			 * sess->acg can be NULL here, if called from
 			 * scst_check_reassign_sess()!
 			 */
-#ifdef RHEL_MAJOR
+#if defined(RHEL_MAJOR) && RHEL_MAJOR -0 <= 5
 			rc = set_cpus_allowed(thr->cmd_thread,
 				tgt_dev->acg_dev->acg->acg_cpu_mask);
 #else