diff --git a/pkg/scheduler/framework/plugins/interpodaffinity/scoring.go b/pkg/scheduler/framework/plugins/interpodaffinity/scoring.go
index f333bb6e3ca..238691bd46f 100644
--- a/pkg/scheduler/framework/plugins/interpodaffinity/scoring.go
+++ b/pkg/scheduler/framework/plugins/interpodaffinity/scoring.go
@@ -262,7 +262,7 @@ func (pl *InterPodAffinity) NormalizeScore(ctx context.Context, cycleState *fram
 	}
 
 	var minCount int64 = math.MaxInt64
-	var maxCount int64 = -math.MaxInt64
+	var maxCount int64 = math.MinInt64
 	for i := range scores {
 		score := scores[i].Score
 		if score > maxCount {