diff --git a/src/internal/controller/project_controller.go b/src/internal/controller/project_controller.go
index 807a479..368bb77 100644
--- a/src/internal/controller/project_controller.go
+++ b/src/internal/controller/project_controller.go
@@ -207,7 +207,7 @@ func (wr *wrappedProjectReconciler) reconcileRoles(ctx context.Context, ztdClien
 		}
 	}
 
-	if deleteRoles != nil {
+	if len(deleteRoles) > 0 {
 		for _, dRole := range deleteRoles {
 			if _, err = ztdClient.RemoveProjectRole(middleware.SetOrgID(ctx, org.Status.OrgId), &pb.RemoveProjectRoleRequest{
 				ProjectId: wr.project.Status.ProjectId,