diff --git a/pkg/api/testing/defaulting_test.go b/pkg/api/testing/defaulting_test.go
index 66b5a88e905..ffd9882cc35 100644
--- a/pkg/api/testing/defaulting_test.go
+++ b/pkg/api/testing/defaulting_test.go
@@ -149,6 +149,8 @@ func TestDefaulting(t *testing.T) {
 		{Group: "networking.k8s.io", Version: "v1", Kind: "NetworkPolicyList"}:                                  {},
 		{Group: "networking.k8s.io", Version: "v1beta1", Kind: "Ingress"}:                                       {},
 		{Group: "networking.k8s.io", Version: "v1beta1", Kind: "IngressList"}:                                   {},
+		{Group: "networking.k8s.io", Version: "v1", Kind: "IngressClass"}:                                       {},
+		{Group: "networking.k8s.io", Version: "v1", Kind: "IngressClassList"}:                                   {},
 		{Group: "storage.k8s.io", Version: "v1beta1", Kind: "StorageClass"}:                                     {},
 		{Group: "storage.k8s.io", Version: "v1beta1", Kind: "StorageClassList"}:                                 {},
 		{Group: "storage.k8s.io", Version: "v1beta1", Kind: "CSIDriver"}:                                        {},
diff --git a/pkg/apis/networking/fuzzer/fuzzer.go b/pkg/apis/networking/fuzzer/fuzzer.go
index a9f2f552990..7284773a782 100644
--- a/pkg/apis/networking/fuzzer/fuzzer.go
+++ b/pkg/apis/networking/fuzzer/fuzzer.go
@@ -20,6 +20,7 @@ import (
 	fuzz "github.com/google/gofuzz"
 	runtimeserializer "k8s.io/apimachinery/pkg/runtime/serializer"
 	"k8s.io/kubernetes/pkg/apis/networking"
+	utilpointer "k8s.io/utils/pointer"
 )
 
 // Funcs returns the fuzzer functions for the networking api group.
@@ -64,5 +65,14 @@ var Funcs = func(codecs runtimeserializer.CodecFactory) []interface{} {
 				}
 			}
 		},
+		func(p *networking.IngressClass, c fuzz.Continue) {
+			c.FuzzNoCustom(p) // fuzz self without calling this function again
+			// default Parameters to Cluster
+			if p.Spec.Parameters == nil || p.Spec.Parameters.Scope == nil {
+				p.Spec.Parameters = &networking.IngressClassParametersReference{
+					Scope: utilpointer.StringPtr(networking.IngressClassParametersReferenceScopeCluster),
+				}
+			}
+		},
 	}
 }
diff --git a/pkg/apis/networking/validation/validation_test.go b/pkg/apis/networking/validation/validation_test.go
index 046a10ea3ba..d941324af08 100644
--- a/pkg/apis/networking/validation/validation_test.go
+++ b/pkg/apis/networking/validation/validation_test.go
@@ -1884,9 +1884,11 @@ func TestValidateIngressClassUpdate(t *testing.T) {
 				Spec: networking.IngressClassSpec{
 					Controller: "foo.co/bar",
 					Parameters: &networking.IngressClassParametersReference{
-						APIGroup: utilpointer.StringPtr("v1"),
-						Kind:     "ConfigMap",
-						Name:     "foo",
+						APIGroup:  utilpointer.StringPtr("v1"),
+						Scope:     utilpointer.StringPtr("Namespace"),
+						Kind:      "ConfigMap",
+						Name:      "foo",
+						Namespace: utilpointer.StringPtr("bar"),
 					},
 				},
 			},
diff --git a/pkg/features/kube_features.go b/pkg/features/kube_features.go
index 74bd8e6878b..3c990e15372 100644
--- a/pkg/features/kube_features.go
+++ b/pkg/features/kube_features.go
@@ -659,6 +659,7 @@ const (
 	// owner: @hbagdi
 	// kep: http://kep.k8s.io/2365
 	// alpha: v1.21
+	// beta: v1.22
 	//
 	// Enable Scope and Namespace fields on IngressClassParametersReference.
 	IngressClassNamespacedParams featuregate.Feature = "IngressClassNamespacedParams"
@@ -830,7 +831,7 @@ var defaultKubernetesFeatureGates = map[featuregate.Feature]featuregate.FeatureS
 	PodAffinityNamespaceSelector:                   {Default: true, PreRelease: featuregate.Beta},
 	ServiceLoadBalancerClass:                       {Default: true, PreRelease: featuregate.Beta},
 	LogarithmicScaleDown:                           {Default: false, PreRelease: featuregate.Alpha},
-	IngressClassNamespacedParams:                   {Default: false, PreRelease: featuregate.Alpha},
+	IngressClassNamespacedParams:                   {Default: true, PreRelease: featuregate.Beta},
 	ServiceInternalTrafficPolicy:                   {Default: false, PreRelease: featuregate.Alpha},
 	SuspendJob:                                     {Default: true, PreRelease: featuregate.Beta},
 	KubeletPodResourcesGetAllocatable:              {Default: false, PreRelease: featuregate.Alpha},