diff --git a/pkg/cluster/admin_kind.go b/pkg/cluster/admin_kind.go
index 52068e5..a7b1cdb 100644
--- a/pkg/cluster/admin_kind.go
+++ b/pkg/cluster/admin_kind.go
@@ -187,7 +187,19 @@ func (a *kindAdmin) applyContainerdPatchRegistryApiV2(ctx context.Context, desir
 	if err != nil {
 		return errors.Wrap(err, "configuring registry")
 	}
-	return applyContainerdPatchRegistryApiV2(ctx, a.runner, a.iostreams, nodes, desired, registry)
+	filtered := []string{}
+	for _, node := range nodes {
+		if strings.HasSuffix(node, "external-load-balancer") {
+			// Ignore the external load balancers.
+			// These load-balance traffic to the control plane nodes.
+			// They don't need registry configuration.
+			continue
+		}
+		filtered = append(filtered, node)
+	}
+
+	return applyContainerdPatchRegistryApiV2(ctx, a.runner, a.iostreams,
+		filtered, desired, registry)
 }
 
 func (a *kindAdmin) getNodes(ctx context.Context, cluster string) ([]string, error) {
diff --git a/pkg/cluster/admin_kind_test.go b/pkg/cluster/admin_kind_test.go
index 0b62d86..fdecd58 100644
--- a/pkg/cluster/admin_kind_test.go
+++ b/pkg/cluster/admin_kind_test.go
@@ -9,6 +9,7 @@ import (
 	"k8s.io/cli-runtime/pkg/genericclioptions"
 
 	"github.com/tilt-dev/ctlptl/internal/exec"
+	"github.com/tilt-dev/ctlptl/pkg/api"
 )
 
 func TestNodeImage(t *testing.T) {
@@ -43,3 +44,41 @@ func TestNodeImage(t *testing.T) {
 	assert.NoError(t, err)
 	assert.Equal(t, "kindest/node:v1.16.9@sha256:7175872357bc85847ec4b1aba46ed1d12fa054c83ac7a8a11f5c268957fd5765", img)
 }
+
+func TestPatchRegistryConfig(t *testing.T) {
+	nodeExec := []string{}
+	runner := exec.NewFakeCmdRunner(func(argv []string) string {
+		if argv[0] == "kind" && argv[1] == "get" && argv[2] == "nodes" {
+			return `kind-external-load-balancer
+kind-control-plane
+kind-control-plane2
+`
+		}
+		if argv[0] == "docker" && argv[1] == "exec" && argv[2] == "-i" {
+			nodeExec = append(nodeExec, argv[3])
+		}
+		return ""
+	})
+	iostreams := genericclioptions.IOStreams{
+		In:     os.Stdin,
+		Out:    os.Stdout,
+		ErrOut: os.Stderr,
+	}
+	a := newKindAdmin(iostreams, runner, &fakeDockerClient{})
+	ctx := context.Background()
+
+	err := a.applyContainerdPatchRegistryApiV2(
+		ctx,
+		&api.Cluster{Name: "test-cluster"},
+		&api.Registry{Name: "test-registry"})
+	assert.NoError(t, err)
+
+	// Assert that we only executed commands
+	// in the control plane nodes, not the LB.
+	assert.Equal(t, []string{
+		"kind-control-plane",
+		"kind-control-plane",
+		"kind-control-plane2",
+		"kind-control-plane2",
+	}, nodeExec)
+}