diff --git a/lib/network/modules/SelectionHandler.js b/lib/network/modules/SelectionHandler.js
index 2666baa436..b4e486c696 100644
--- a/lib/network/modules/SelectionHandler.js
+++ b/lib/network/modules/SelectionHandler.js
@@ -555,8 +555,8 @@ class SelectionHandler {
 
     const selectionChanges = this._selectionAccumulator.commit();
     const previousSelection = {
-      nodes: selectionChanges.nodes.previous,
-      edges: selectionChanges.edges.previous,
+      nodes: selectionChanges.nodes.previous.map(node => node.id),
+      edges: selectionChanges.edges.previous.map(edge => edge.id),    
     };
 
     if (selectionChanges.edges.deleted.length > 0) {