diff --git a/src/DiagramModel.js b/src/DiagramModel.js
index f2b1d32..2186557 100644
--- a/src/DiagramModel.js
+++ b/src/DiagramModel.js
@@ -92,8 +92,8 @@ class DiagramModel {
       id: generateId(),
       from: from,
       to: to,
-      positionFrom: {},
-      positionTo: {},
+      positionFrom: { x: 0, y: 0 },
+      positionTo: { x: 0, y: 0 },
       points
     });
   }