diff --git a/_includes/notes_graph.html b/_includes/notes_graph.html
index 4807b85..e4a2e49 100644
--- a/_includes/notes_graph.html
+++ b/_includes/notes_graph.html
@@ -60,7 +60,7 @@
         let weight =
           3 *
           Math.sqrt(
-            linksData.filter((l) => l.source === el.id || l.target === el.id)
+            linksData.filter((l) => l.source.id === el.id || l.target.id === el.id)
               .length + 1
           );
         if (weight < MINIMAL_NODE_SIZE) {
@@ -151,7 +151,7 @@
       }
 
       for (const edge of next) {
-        if (!set.has(`${edge.source}-${edge.target}`)) {
+        if (!set.has(`${edge.source.id}-${edge.target.id}`)) {
           return false;
         }
       }