diff --git a/aider/website/_includes/blame.md b/aider/website/_includes/blame.md
index c650ab1d5..a7e0d9377 100644
--- a/aider/website/_includes/blame.md
+++ b/aider/website/_includes/blame.md
@@ -32,7 +32,7 @@ document.addEventListener('DOMContentLoaded', function () {
         },
         {
             label: 'Lines by human',
-            data: [{% for row in site.data.blame %}{ x: '{{ row.end_tag }}', y: {{ row.total_lines - row.aider_total }} },{% endfor %}],
+            data: [{% for row in site.data.blame %}{ x: '{{ row.end_tag }}', y: {{ row.total_lines | minus: row.aider_total }} },{% endfor %}],
             backgroundColor: 'rgba(255, 99, 132, 0.8)',
             borderColor: 'rgba(255, 99, 132, 1)',
             borderWidth: 1