diff --git a/frontend/src/app/shared/chart/types/visualization.type.ts b/frontend/src/app/shared/chart/types/visualization.type.ts
index a12bd8bf5..8ace01447 100644
--- a/frontend/src/app/shared/chart/types/visualization.type.ts
+++ b/frontend/src/app/shared/chart/types/visualization.type.ts
@@ -20,7 +20,7 @@ export class VisualizationType {
   userModified?: number;
   aggregationType?: MetricDataType;
   chartAction?: any;
-  systemOwner: boolean;
+  systemOwner?: boolean;
 
 }