diff --git a/contrib/templates/default/board.mustache b/contrib/templates/default/board.mustache
index e78dd46..ffa7802 100644
--- a/contrib/templates/default/board.mustache
+++ b/contrib/templates/default/board.mustache
@@ -18,6 +18,12 @@
     <link rel="stylesheet" href="{{board.Prefix}}static/site.css" />
     <link rel="stylesheet" href="{{board.Prefix}}static/user.css" />
     <script type="text/javascript" src="{{board.Prefix}}static/nntpchan.js"></script>
+    <script>
+      document.onload = function() {
+        var e = document.getElementById("nntpchan_banner");
+        nntpchan_inject_banners(e, "{{board.Prefix}}");
+      }
+    </script>
     <title>{{board.Board}}</title>
   </head>
   <body>
diff --git a/contrib/templates/default/frontpage.mustache b/contrib/templates/default/frontpage.mustache
index 03d33fe..d2bf3b4 100644
--- a/contrib/templates/default/frontpage.mustache
+++ b/contrib/templates/default/frontpage.mustache
@@ -16,8 +16,10 @@
     <script src="{{prefix}}static/nntpchan.js" type="text/javascript">
     </script>
     <script>
-      var e = document.getElementById("nntpchan_banner");
-      nntpchan_inject_banners(e, "{{board.Prefix}}");
+      document.onload = function() {
+        var e = document.getElementById("nntpchan_banner");
+        nntpchan_inject_banners(e, "{{board.Prefix}}");
+      }
     </script>
     <title> {{frontend}} on nntpchan </title>
   </head>
diff --git a/contrib/templates/default/thread.mustache b/contrib/templates/default/thread.mustache
index 07a7458..1721760 100644
--- a/contrib/templates/default/thread.mustache
+++ b/contrib/templates/default/thread.mustache
@@ -19,8 +19,10 @@
     <link rel="stylesheet" href="{{thread.Prefix}}static/user.css" />
     <script type="text/javascript" src="{{thread.Prefix}}static/nntpchan.js"></script>
     <script>
-      var e = document.getElementById("nntpchan_banner");
-      nntpchan_inject_banners(e, "{{board.Prefix}}");
+      document.onload = function() {
+        var e = document.getElementById("nntpchan_banner");
+        nntpchan_inject_banners(e, "{{board.Prefix}}");
+      }
     </script>
     <title> {{thread.OP.Subject}} </title>
   </head>
diff --git a/contrib/templates/default/ukko.mustache b/contrib/templates/default/ukko.mustache
index 67c65d7..9ea255e 100644
--- a/contrib/templates/default/ukko.mustache
+++ b/contrib/templates/default/ukko.mustache
@@ -12,8 +12,10 @@
     <link rel="stylesheet" href="{{prefix}}static/user.css" />
     <script type="text/javascript" src="{{prefix}}static/nntpchan.js"></script>
     <script>
-      var e = document.getElementById("nntpchan_banner");
-      nntpchan_inject_banners(e, "{{board.Prefix}}");
+      document.onload = function() {
+        var e = document.getElementById("nntpchan_banner");
+        nntpchan_inject_banners(e, "{{board.Prefix}}");
+      }
     </script>
     </head>
     <body>
