diff --git a/kernel/sched/psi.c b/kernel/sched/psi.c
index 15192a436dd0181adeffda57927730d448ab83d8..c66f64ab9f4e1f709a6137226950992a03237f9a 100644
--- a/kernel/sched/psi.c
+++ b/kernel/sched/psi.c
@@ -1114,12 +1114,16 @@ static inline struct psi_group *task_psi_group(struct task_struct *task)
 #ifdef CONFIG_CGROUPS
 	if (static_branch_likely(&psi_cgroups_enabled)) {
 		if (task_is_in_psi_v1()) {
+#if defined(CONFIG_CGROUP_CPUACCT)
 			struct cgroup *cgroup;
 
 			rcu_read_lock();
 			cgroup = task_cgroup(task, cpuacct_cgrp_id);
 			rcu_read_unlock();
 			return cgroup_psi(cgroup);
+#else
+			return &psi_system;
+#endif
 		}
 		return cgroup_psi(task_dfl_cgroup(task));
 	}