diff --git a/internal/scheduler/jobiteration.go b/internal/scheduler/jobiteration.go
index e914988e4a3..f6733c26e39 100644
--- a/internal/scheduler/jobiteration.go
+++ b/internal/scheduler/jobiteration.go
@@ -72,8 +72,8 @@ func (repo *InMemoryJobRepository) EnqueueMany(jctxs []*schedulercontext.JobSche
 
 // sortQueue sorts jobs in a specified queue by the order in which they should be scheduled.
 func (repo *InMemoryJobRepository) sortQueue(queue string) {
-	slices.SortFunc(repo.jctxsByQueue[queue], func(a, b *schedulercontext.JobSchedulingContext) bool {
-		return a.Job.SchedulingOrderCompare(b.Job) == -1
+	slices.SortFunc(repo.jctxsByQueue[queue], func(a, b *schedulercontext.JobSchedulingContext) int {
+		return a.Job.SchedulingOrderCompare(b.Job)
 	})
 }
 
diff --git a/internal/scheduler/preempting_queue_scheduler_test.go b/internal/scheduler/preempting_queue_scheduler_test.go
index ea9650c66f9..9b4d622d7e2 100644
--- a/internal/scheduler/preempting_queue_scheduler_test.go
+++ b/internal/scheduler/preempting_queue_scheduler_test.go
@@ -2022,8 +2022,14 @@ func TestPreemptingQueueScheduler(t *testing.T) {
 				// which jobs are preempted).
 				slices.SortFunc(
 					result.ScheduledJobs,
-					func(a, b *schedulercontext.JobSchedulingContext) bool {
-						return a.Job.GetSubmitTime().Before(b.Job.GetSubmitTime())
+					func(a, b *schedulercontext.JobSchedulingContext) int {
+						if a.Job.GetSubmitTime().Before(b.Job.GetSubmitTime()) {
+							return -1
+						} else if b.Job.GetSubmitTime().Before(a.Job.GetSubmitTime()) {
+							return 1
+						} else {
+							return 0
+						}
 					},
 				)
 				var scheduledJobs []*jobdb.Job