diff --git a/staging/src/k8s.io/legacy-cloud-providers/aws/sets_ippermissions.go b/staging/src/k8s.io/legacy-cloud-providers/aws/sets_ippermissions.go
index d8ca2df0b22..25f3c601619 100644
--- a/staging/src/k8s.io/legacy-cloud-providers/aws/sets_ippermissions.go
+++ b/staging/src/k8s.io/legacy-cloud-providers/aws/sets_ippermissions.go
@@ -38,7 +38,7 @@ type IPPermissionPredicate interface {
 
 // NewIPPermissionSet creates a new IPPermissionSet
 func NewIPPermissionSet(items ...*ec2.IpPermission) IPPermissionSet {
-	s := make(IPPermissionSet)
+	s := make(IPPermissionSet, len(items))
 	s.Insert(items...)
 	return s
 }