diff --git a/backend/src/apiserver/resource/resource_manager.go b/backend/src/apiserver/resource/resource_manager.go
index 7828f8ffb56..032481691fb 100644
--- a/backend/src/apiserver/resource/resource_manager.go
+++ b/backend/src/apiserver/resource/resource_manager.go
@@ -1022,19 +1022,18 @@ func (r *ResourceManager) CreateJob(ctx context.Context, job *model.Job) (*model
 	for _, modelRef := range job.ResourceReferences {
 		modelRef.ResourceUUID = string(swf.UID)
 	}
-	if tmpl.GetTemplateType() == template.V1 {
-		// Get the service account
-		serviceAccount := ""
-		if swf.Spec.Workflow != nil {
-			execSpec, err := util.ScheduleSpecToExecutionSpec(util.ArgoWorkflow, swf.Spec.Workflow)
-			if err == nil {
-				serviceAccount = execSpec.ServiceAccount()
-			}
+	// Get the service account
+	serviceAccount := ""
+	if swf.Spec.Workflow != nil {
+		execSpec, err := util.ScheduleSpecToExecutionSpec(util.ArgoWorkflow, swf.Spec.Workflow)
+		if err == nil {
+			serviceAccount = execSpec.ServiceAccount()
 		}
-		job.ServiceAccount = serviceAccount
+	}
+	job.ServiceAccount = serviceAccount
+	if tmpl.GetTemplateType() == template.V1 {
 		job.PipelineSpec.WorkflowSpecManifest = manifest
 	} else {
-		job.ServiceAccount = newScheduledWorkflow.Spec.ServiceAccount
 		job.PipelineSpec.PipelineSpecManifest = manifest
 	}
 	return r.jobStore.CreateJob(job)
diff --git a/backend/src/apiserver/template/template_test.go b/backend/src/apiserver/template/template_test.go
index 0c0cdc729ec..db417293632 100644
--- a/backend/src/apiserver/template/template_test.go
+++ b/backend/src/apiserver/template/template_test.go
@@ -220,10 +220,9 @@ func TestScheduledWorkflow(t *testing.T) {
 				Parameters: []scheduledworkflow.Parameter{{Name: "y", Value: "\"world\""}},
 				Spec:       "",
 			},
-			PipelineId:     "1",
-			PipelineName:   "pipeline name",
-			NoCatchup:      util.BoolPointer(true),
-			ServiceAccount: "pipeline-runner",
+			PipelineId:   "1",
+			PipelineName: "pipeline name",
+			NoCatchup:    util.BoolPointer(true),
 		},
 	}
 
diff --git a/backend/src/apiserver/template/v2_template.go b/backend/src/apiserver/template/v2_template.go
index 22ad326fbe9..bc9477bb4a5 100644
--- a/backend/src/apiserver/template/v2_template.go
+++ b/backend/src/apiserver/template/v2_template.go
@@ -97,9 +97,7 @@ func (t *V2Spec) ScheduledWorkflow(modelJob *model.Job, ownerReferences []metav1
 	if modelJob.Namespace != "" {
 		executionSpec.SetExecutionNamespace(modelJob.Namespace)
 	}
-	if executionSpec.ServiceAccount() == "" {
-		setDefaultServiceAccount(executionSpec, modelJob.ServiceAccount)
-	}
+	setDefaultServiceAccount(executionSpec, modelJob.ServiceAccount)
 	// Disable istio sidecar injection if not specified
 	executionSpec.SetAnnotationsToAllTemplatesIfKeyNotExist(util.AnnotationKeyIstioSidecarInject, util.AnnotationValueIstioSidecarInjectDisabled)
 	swfGeneratedName, err := toSWFCRDResourceGeneratedName(modelJob.K8SName)
@@ -137,7 +135,7 @@ func (t *V2Spec) ScheduledWorkflow(modelJob *model.Job, ownerReferences []metav1
 			PipelineId:        modelJob.PipelineId,
 			PipelineName:      modelJob.PipelineName,
 			PipelineVersionId: modelJob.PipelineVersionId,
-			ServiceAccount:    executionSpec.ServiceAccount(),
+			ServiceAccount:    modelJob.ServiceAccount,
 		},
 	}
 	return scheduledWorkflow, nil