diff --git a/pkg/scheduler/plugins/proportion/proportion.go b/pkg/scheduler/plugins/proportion/proportion.go
index 5b3ca7bfa0..f91ec4c572 100644
--- a/pkg/scheduler/plugins/proportion/proportion.go
+++ b/pkg/scheduler/plugins/proportion/proportion.go
@@ -242,7 +242,7 @@ func (pp *proportionPlugin) OnSessionOpen(ssn *framework.Session) {
 		queue := obj.(*api.QueueInfo)
 		attr := pp.queueOpts[queue.UID]
 
-		overused := !attr.allocated.LessEqual(attr.deserved)
+		overused := !attr.allocated.Less(attr.deserved)
 		metrics.UpdateQueueOverused(attr.name, overused)
 		if overused {
 			klog.V(3).Infof("Queue <%v>: deserved <%v>, allocated <%v>, share <%v>",