diff --git a/mamweb/templates/base.html b/mamweb/templates/base.html
index fc2ff76e..b10103e5 100644
--- a/mamweb/templates/base.html
+++ b/mamweb/templates/base.html
@@ -170,6 +170,22 @@
 	rotace_a_posun($('.container'), randomUhel());
 	</script>
 	{% endif %}
+  {% if april == 2023 %}
+    <script>
+{#  By https://stackoverflow.com/a/34559316  #}
+      function walkText(node) {
+        if (node.nodeType == 3) {
+          node.data = node.data.replace(/M&M/g, "M💘M");
+        }
+        if (node.nodeType == 1 && node.nodeName != "SCRIPT") {
+          for (var i = 0; i < node.childNodes.length; i++) {
+            walkText(node.childNodes[i]);
+          }
+        }
+      }
+      walkText(document.body);
+    </script>
+  {% endif %}
 	{% render_block "js" %}
   </body>
 </html>