diff --git a/kernel/sched/psi.c b/kernel/sched/psi.c
index ee2ecc081422eab3244ec6f5b6b1f67e13203f03..7f40d87e8f509b7efcd5dabd9ae3527bbc9f808a 100644
--- a/kernel/sched/psi.c
+++ b/kernel/sched/psi.c
@@ -539,10 +539,12 @@ static u64 update_triggers(struct psi_group *group, u64 now)
 
 			/* Calculate growth since last update */
 			growth = window_update(&t->win, now, total[t->state]);
-			if (growth < t->threshold)
-				continue;
+			if (!t->pending_event) {
+				if (growth < t->threshold)
+					continue;
 
-			t->pending_event = true;
+				t->pending_event = true;
+			}
 		}
 		/* Limit event signaling to once per window */
 		if (now < t->last_event_time + t->win.size)