diff --git a/internal/aws/aws_role.go b/internal/aws/aws_role.go
index d92d8a1..24c602c 100644
--- a/internal/aws/aws_role.go
+++ b/internal/aws/aws_role.go
@@ -12,6 +12,7 @@ import (
 	"github.com/aws/aws-sdk-go-v2/aws"
 	"github.com/aws/aws-sdk-go-v2/service/iam"
 	"github.com/aws/smithy-go"
+	irsav1alpha1 "github.com/kkb0318/irsa-manager/api/v1alpha1"
 	"github.com/kkb0318/irsa-manager/internal/issuer"
 )
 
@@ -19,8 +20,8 @@ import (
 type RoleManager struct {
 	// RoleName represents the name of the IAM role
 	RoleName string
-	// Namespaces represents the list of namespaces associated with the role
-	Namespaces []string
+	// ServiceAccount represents the ServiceAccount Name and namespaces associated with the role
+	ServiceAccount irsav1alpha1.IRSAServiceAccount
 	// Policies represents the list of policies to be attached to the role
 	Policies []string
 
@@ -64,8 +65,8 @@ func (a *AwsIamClient) DeleteIRSARole(ctx context.Context, r RoleManager) error
 // CreateIRSARole creates an IAM role with the specified trust policy and attaches specified policies to it
 func (a *AwsIamClient) CreateIRSARole(ctx context.Context, issuerMeta issuer.OIDCIssuerMeta, r RoleManager) error {
 	providerArn := fmt.Sprintf("arn:aws:iam::%s:oidc-provider/%s", r.AccountId, issuerMeta.IssuerHostPath())
-	statement := make([]map[string]interface{}, len(r.Namespaces))
-	for i, ns := range r.Namespaces {
+	statement := make([]map[string]interface{}, len(r.ServiceAccount.Namespaces))
+	for i, ns := range r.ServiceAccount.Namespaces {
 		statement[i] = map[string]interface{}{
 			"Effect": "Allow",
 			"Principal": map[string]interface{}{
@@ -74,7 +75,7 @@ func (a *AwsIamClient) CreateIRSARole(ctx context.Context, issuerMeta issuer.OID
 			"Action": "sts:AssumeRoleWithWebIdentity",
 			"Condition": map[string]interface{}{
 				"StringEquals": map[string]interface{}{
-					fmt.Sprintf("%s:sub", issuerMeta.IssuerHostPath()): fmt.Sprintf("system:serviceaccount:%s:%s", ns, r.RoleName),
+					fmt.Sprintf("%s:sub", issuerMeta.IssuerHostPath()): fmt.Sprintf("system:serviceaccount:%s:%s", ns, r.ServiceAccount.Name),
 				},
 			},
 		}
diff --git a/internal/controller/irsa_controller.go b/internal/controller/irsa_controller.go
index 6f6497f..21ce8a5 100644
--- a/internal/controller/irsa_controller.go
+++ b/internal/controller/irsa_controller.go
@@ -155,16 +155,17 @@ func (r *IRSAReconciler) reconcile(ctx context.Context, obj *irsav1alpha1.IRSA,
 		return err
 	}
 	roleManager := awsclient.RoleManager{
-		RoleName:   obj.Spec.IamRole.Name,
-		Namespaces: serviceAccount.Namespaces,
-		Policies:   obj.Spec.IamPolicies,
-		AccountId:  accountId,
+		RoleName:       obj.Spec.IamRole.Name,
+		ServiceAccount: serviceAccount,
+		Policies:       obj.Spec.IamPolicies,
+		AccountId:      accountId,
 	}
 	issuerMeta, err := issuer.NewS3IssuerMeta(&irsaSetup.Spec.Discovery.S3)
 	if err != nil {
 		return err
 	}
-	err = r.AwsClient.IamClient().CreateIRSARole(ctx,
+	err = r.AwsClient.IamClient().CreateIRSARole(
+		ctx,
 		issuerMeta,
 		roleManager,
 	)
diff --git a/internal/controller/irsa_controller_test.go b/internal/controller/irsa_controller_test.go
index fd749ca..d01b8ae 100644
--- a/internal/controller/irsa_controller_test.go
+++ b/internal/controller/irsa_controller_test.go
@@ -183,9 +183,9 @@ var _ = Describe("IRSA Controller", func() {
 				}
 				By("creating the mock ISASetup")
 				if tt.irsaSetupObj != nil {
-					err := k8sClient.Get(ctx, client.ObjectKeyFromObject(tt.irsaSetupObj), tt.irsaSetupObj)
+					err := k8sClient.Get(ctx, client.ObjectKeyFromObject(tt.irsaSetupObj), &irsav1alpha1.IRSASetup{})
 					if err != nil && errors.IsNotFound(err) {
-						Expect(k8sClient.Create(ctx, tt.obj)).To(Succeed())
+						Expect(k8sClient.Create(ctx, tt.irsaSetupObj)).To(Succeed())
 					}
 
 				}