diff --git a/pkg/controller/backup_controller.go b/pkg/controller/backup_controller.go
index 0e53121f0..613261783 100644
--- a/pkg/controller/backup_controller.go
+++ b/pkg/controller/backup_controller.go
@@ -21,6 +21,7 @@ import (
 	"context"
 	"fmt"
 	"os"
+	"strings"
 	"time"
 
 	snapshotv1api "github.com/kubernetes-csi/external-snapshotter/client/v4/apis/volumesnapshot/v1"
@@ -476,7 +477,7 @@ func (b *backupReconciler) prepareBackupRequest(backup *velerov1api.Backup, logg
 		request.Status.ValidationErrors = append(request.Status.ValidationErrors, "encountered labelSelector as well as orLabelSelectors in backup spec, only one can be specified")
 	}
 
-	if request.Spec.ResourcePolicy != nil && request.Spec.ResourcePolicy.Kind == resourcepolicies.ConfigmapRefType {
+	if request.Spec.ResourcePolicy != nil && strings.EqualFold(request.Spec.ResourcePolicy.Kind, resourcepolicies.ConfigmapRefType) {
 		policiesConfigmap := &corev1api.ConfigMap{}
 		err := b.kbClient.Get(context.Background(), kbclient.ObjectKey{Namespace: request.Namespace, Name: request.Spec.ResourcePolicy.Name}, policiesConfigmap)
 		if err != nil {
diff --git a/pkg/controller/restore_controller.go b/pkg/controller/restore_controller.go
index 0e11d7ced..5d6ed505e 100644
--- a/pkg/controller/restore_controller.go
+++ b/pkg/controller/restore_controller.go
@@ -25,6 +25,7 @@ import (
 	"io"
 	"os"
 	"sort"
+	"strings"
 	"time"
 
 	"github.com/pkg/errors"
@@ -376,7 +377,7 @@ func (r *restoreReconciler) validateAndComplete(restore *api.Restore) (backupInf
 	}
 
 	var resourceModifiers *resourcemodifiers.ResourceModifiers = nil
-	if restore.Spec.ResourceModifier != nil && restore.Spec.ResourceModifier.Kind == resourcemodifiers.ConfigmapRefType {
+	if restore.Spec.ResourceModifier != nil && strings.EqualFold(restore.Spec.ResourceModifier.Kind, resourcemodifiers.ConfigmapRefType) {
 		ResourceModifierConfigMap := &corev1api.ConfigMap{}
 		err := r.kbClient.Get(context.Background(), client.ObjectKey{Namespace: restore.Namespace, Name: restore.Spec.ResourceModifier.Name}, ResourceModifierConfigMap)
 		if err != nil {
diff --git a/pkg/controller/restore_controller_test.go b/pkg/controller/restore_controller_test.go
index e3ffaf4df..b7f6fbd25 100644
--- a/pkg/controller/restore_controller_test.go
+++ b/pkg/controller/restore_controller_test.go
@@ -781,7 +781,8 @@ func TestValidateAndCompleteWithResourceModifierSpecified(t *testing.T) {
 		Spec: velerov1api.RestoreSpec{
 			BackupName: "backup-1",
 			ResourceModifier: &corev1.TypedLocalObjectReference{
-				Kind: resourcemodifiers.ConfigmapRefType,
+				// intentional to ensure case insensitivity works as expected
+				Kind: "confIGMaP",
 				Name: "test-configmap-invalid",
 			},
 		},