diff --git a/pkg/apis/tensorflow/v1alpha2/defaults.go b/pkg/apis/tensorflow/v1alpha2/defaults.go
index 75955dc95f..0f29c25c43 100644
--- a/pkg/apis/tensorflow/v1alpha2/defaults.go
+++ b/pkg/apis/tensorflow/v1alpha2/defaults.go
@@ -15,6 +15,8 @@
 package v1alpha2
 
 import (
+	"strings"
+
 	"k8s.io/api/core/v1"
 	"k8s.io/apimachinery/pkg/runtime"
 )
@@ -60,8 +62,30 @@ func setDefaultReplicas(spec *TFReplicaSpec) {
 	}
 }
 
+// setTypeNamesToCamelCase sets the name of all replica types from any case to correct case.
+func setTypeNamesToCamelCase(tfJob *TFJob) {
+	setTypeNameToCamelCase(tfJob, TFReplicaTypePS)
+	setTypeNameToCamelCase(tfJob, TFReplicaTypeWorker)
+	setTypeNameToCamelCase(tfJob, TFReplicaTypeChief)
+	setTypeNameToCamelCase(tfJob, TFReplicaTypeEval)
+}
+
+// setTypeNameToCamelCase sets the name of the replica type from any case to correct case.
+// E.g. from ps to PS; from WORKER to Worker.
+func setTypeNameToCamelCase(tfJob *TFJob, typ TFReplicaType) {
+	for t := range tfJob.Spec.TFReplicaSpecs {
+		if strings.ToLower(string(t)) == strings.ToLower(string(typ)) && t != typ {
+			spec := tfJob.Spec.TFReplicaSpecs[t]
+			delete(tfJob.Spec.TFReplicaSpecs, t)
+			tfJob.Spec.TFReplicaSpecs[typ] = spec
+			return
+		}
+	}
+}
+
 // SetDefaults_TFJob sets any unspecified values to defaults.
 func SetDefaults_TFJob(tfjob *TFJob) {
+	setTypeNamesToCamelCase(tfjob)
 	for _, spec := range tfjob.Spec.TFReplicaSpecs {
 		setDefaultReplicas(spec)
 		setDefaultPort(&spec.Template.Spec)
diff --git a/pkg/apis/tensorflow/v1alpha2/defaults_test.go b/pkg/apis/tensorflow/v1alpha2/defaults_test.go
index 4f2e70e325..e8898c9941 100644
--- a/pkg/apis/tensorflow/v1alpha2/defaults_test.go
+++ b/pkg/apis/tensorflow/v1alpha2/defaults_test.go
@@ -56,6 +56,45 @@ func expectedTFJob() *TFJob {
 	}
 }
 
+func TestSetTypeNames(t *testing.T) {
+	spec := &TFReplicaSpec{
+		RestartPolicy: RestartPolicyAlways,
+		Template: v1.PodTemplateSpec{
+			Spec: v1.PodSpec{
+				Containers: []v1.Container{
+					v1.Container{
+						Name:  DefaultContainerName,
+						Image: testImage,
+						Ports: []v1.ContainerPort{
+							v1.ContainerPort{
+								Name:          DefaultPortName,
+								ContainerPort: DefaultPort,
+							},
+						},
+					},
+				},
+			},
+		},
+	}
+
+	workerUpperCase := TFReplicaType("WORKER")
+	original := &TFJob{
+		Spec: TFJobSpec{
+			TFReplicaSpecs: map[TFReplicaType]*TFReplicaSpec{
+				workerUpperCase: spec,
+			},
+		},
+	}
+
+	setTypeNamesToCamelCase(original)
+	if _, ok := original.Spec.TFReplicaSpecs[workerUpperCase]; ok {
+		t.Errorf("Failed to delete key %s", workerUpperCase)
+	}
+	if _, ok := original.Spec.TFReplicaSpecs[TFReplicaTypeWorker]; !ok {
+		t.Errorf("Failed to set key %s", TFReplicaTypeWorker)
+	}
+}
+
 func TestSetDefaultTFJob(t *testing.T) {
 	testCases := map[string]struct {
 		original *TFJob