diff --git a/src/diagram/diagramManager.ts b/src/diagram/diagramManager.ts
index d2ab66c..3abcb02 100644
--- a/src/diagram/diagramManager.ts
+++ b/src/diagram/diagramManager.ts
@@ -90,6 +90,7 @@ export class DiagramManager {
         const metaCopy = this.deepCopy(mesh.metadata);
         newMesh.metadata = metaCopy;
         DiagramShapePhysics.applyPhysics(newMesh, this.scene);
+        this.persistenceManager.add(newMesh);
         return newMesh;
     }