diff --git a/kernel/sched/ext_idle.c b/kernel/sched/ext_idle.c
index 7468560a6d80..6e1980763270 100644
--- a/kernel/sched/ext_idle.c
+++ b/kernel/sched/ext_idle.c
@@ -465,12 +465,6 @@ s32 scx_select_cpu_dfl(struct task_struct *p, s32 prev_cpu, u64 wake_flags,
 
 	preempt_disable();
 
-	/*
-	 * Check whether @prev_cpu is still within the allowed set. If not,
-	 * we can still try selecting a nearby CPU.
-	 */
-	is_prev_allowed = cpumask_test_cpu(prev_cpu, allowed);
-
 	/*
 	 * Determine the subset of CPUs usable by @p within @cpus_allowed.
 	 */
@@ -487,6 +481,12 @@ s32 scx_select_cpu_dfl(struct task_struct *p, s32 prev_cpu, u64 wake_flags,
 		}
 	}
 
+	/*
+	 * Check whether @prev_cpu is still within the allowed set. If not,
+	 * we can still try selecting a nearby CPU.
+	 */
+	is_prev_allowed = cpumask_test_cpu(prev_cpu, allowed);
+
 	/*
 	 * This is necessary to protect llc_cpus.
 	 */