diff --git a/config/100-deployment.yaml b/config/100-deployment.yaml
index b5652c98bc..7f77c206e0 100644
--- a/config/100-deployment.yaml
+++ b/config/100-deployment.yaml
@@ -35,14 +35,15 @@ metadata:
     app.kubernetes.io/part-of: tekton-pipelines
     pipeline.tekton.dev/release: "devel"
     version: "devel"
-# The data can be tweaked at install time.
-data:
-  artifacts.taskrun.format: tekton
-  artifacts.taskrun.storage: tekton
-  artifacts.taskrun.signer: x509
-  artifacts.oci.storage: oci
-  artifacts.oci.format: simplesigning
-  artifacts.oci.signer: x509
+# The data can be tweaked at install time, it is commented out
+# because these are the default settings.
+# data:
+#   artifacts.taskrun.format: tekton
+#   artifacts.taskrun.storage: tekton
+#   artifacts.taskrun.signer: x509
+#   artifacts.oci.storage: oci
+#   artifacts.oci.format: simplesigning
+#   artifacts.oci.signer: x509
 ---
 apiVersion: apps/v1
 kind: Deployment
diff --git a/pkg/config/store_test.go b/pkg/config/store_test.go
index bae4e8def0..9ebe00558c 100644
--- a/pkg/config/store_test.go
+++ b/pkg/config/store_test.go
@@ -36,7 +36,7 @@ func TestNewConfigStore(t *testing.T) {
 
 	// Setup some config
 	cm.Data = map[string]string{}
-	cm.Data[taskrunFormatKey] = "foo"
+	cm.Data[taskrunSignerKey] = "pgp"
 
 	if cm, err = fakekubeclient.CoreV1().ConfigMaps(ns).Update(ctx, cm, metav1.UpdateOptions{}); err != nil {
 		t.Errorf("error updating configmap: %v", err)
@@ -45,24 +45,24 @@ func TestNewConfigStore(t *testing.T) {
 	// It should be updated by then...
 	time.Sleep(100 * time.Millisecond)
 	// Test that the values are set!
-	if diff := cmp.Diff("foo", cs.Config().Artifacts.TaskRuns.Format); diff != "" {
+	if diff := cmp.Diff("pgp", cs.Config().Artifacts.TaskRuns.Signer); diff != "" {
 		t.Error(diff)
 	}
 
 	// Change it again
-	cm.Data[taskrunFormatKey] = "bar"
+	cm.Data[taskrunSignerKey] = "kms"
 
 	if _, err := fakekubeclient.CoreV1().ConfigMaps(ns).Update(ctx, cm, metav1.UpdateOptions{}); err != nil {
 		t.Errorf("error updating configmap: %v", err)
 	}
 	time.Sleep(100 * time.Millisecond)
 	// Test that the values are set!
-	if diff := cmp.Diff("bar", cs.Config().Artifacts.TaskRuns.Format); diff != "" {
+	if diff := cmp.Diff("kms", cs.Config().Artifacts.TaskRuns.Signer); diff != "" {
 		t.Error(diff)
 	}
 }
 
-func Test_parse(t *testing.T) {
+func TestParse(t *testing.T) {
 	tests := []struct {
 		name string
 		data map[string]string
@@ -73,30 +73,51 @@ func Test_parse(t *testing.T) {
 			data: map[string]string{},
 			want: Config{
 				Artifacts: ArtifactConfigs{
-					TaskRuns: Artifact{},
+					TaskRuns: Artifact{
+						Format:         "tekton",
+						StorageBackend: "tekton",
+						Signer:         "x509",
+					},
+					OCI: Artifact{
+						Format:         "simplesigning",
+						StorageBackend: "oci",
+						Signer:         "x509",
+					},
 				},
 			},
 		},
 		{
 			name: "single",
-			data: map[string]string{taskrunFormatKey: "foo"},
+			data: map[string]string{taskrunSignerKey: "pgp"},
 			want: Config{
 				Artifacts: ArtifactConfigs{
 					TaskRuns: Artifact{
-						Format:         "foo",
-						StorageBackend: "",
+						Format:         "tekton",
+						Signer:         "pgp",
+						StorageBackend: "tekton",
+					},
+					OCI: Artifact{
+						Format:         "simplesigning",
+						StorageBackend: "oci",
+						Signer:         "x509",
 					},
 				},
 			},
 		},
 		{
 			name: "extra",
-			data: map[string]string{taskrunFormatKey: "foo", "other-key": "foo"},
+			data: map[string]string{taskrunSignerKey: "pgp", "other-key": "foo"},
 			want: Config{
 				Artifacts: ArtifactConfigs{
 					TaskRuns: Artifact{
-						Format:         "foo",
-						StorageBackend: "",
+						Format:         "tekton",
+						Signer:         "pgp",
+						StorageBackend: "tekton",
+					},
+					OCI: Artifact{
+						Format:         "simplesigning",
+						StorageBackend: "oci",
+						Signer:         "x509",
 					},
 				},
 			},
diff --git a/test/test_utils.go b/test/test_utils.go
index ecaa83d3a7..6fb53dd37e 100644
--- a/test/test_utils.go
+++ b/test/test_utils.go
@@ -173,6 +173,10 @@ func setConfigMap(ctx context.Context, t *testing.T, c *clients, data map[string
 		oldData[k] = v
 	}
 
+	if cm.Data == nil {
+		cm.Data = map[string]string{}
+	}
+
 	for k, v := range data {
 		cm.Data[k] = v
 	}