diff --git a/www/index.html b/www/index.html
index 8e2cd2c3..11b627d1 100644
--- a/www/index.html
+++ b/www/index.html
@@ -188,7 +188,7 @@
         for (let row = graphHeight; row >= 1; row--) {
             let line = '|';
             for (const bar of bars) {
-                line += bar >= row ? '#' : ' ';
+                line += bar >= row ? '█' : ' ';
             }
             line += '|';
             lines.push(line);