diff --git a/emanote/default/index.yaml b/emanote/default/index.yaml
index c02b4a465..3c42d6b56 100644
--- a/emanote/default/index.yaml
+++ b/emanote/default/index.yaml
@@ -124,7 +124,7 @@ js:
     <!-- Include languages that Emanote itself uses -->
     <script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/${value:highlightjs-ver}/languages/haskell.min.js"></script>
     <script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/${value:highlightjs-ver}/languages/nix.min.js"></script>
-    <script>hljs.highlightAll();</script>
+    <script>addEventListener("load", () => { hljs.highlightAll() });</script>
     </with>
   highlightjs-ver: 11.6.0 # Ref: https://cdnjs.com/libraries/highlight.js
   # Diagrams using mermaid.js