diff --git a/4chan_x.user.js b/4chan_x.user.js
index 98e040864..381d1852e 100644
--- a/4chan_x.user.js
+++ b/4chan_x.user.js
@@ -5223,7 +5223,7 @@
         nodes.push(Main.preParse(node));
       }
       Main.node(nodes, true);
-      Main.hasCodeTags = !!$('script[src="//static.4chan.org/js/prettify/prettify.js"]');
+      Main.hasCodeTags = !!$('script[src^="//static.4chan.org/js/prettify/prettify"]');
       if (MutationObserver = window.MutationObserver || window.WebKitMutationObserver || window.OMutationObserver) {
         observer = new MutationObserver(Main.observer);
         observer.observe(board, {
diff --git a/script.coffee b/script.coffee
index 0828bcc4b..9f00df223 100644
--- a/script.coffee
+++ b/script.coffee
@@ -4189,7 +4189,7 @@ Main =
     Main.node nodes, true
 
     # Execute these scripts on inserted posts, not page init.
-    Main.hasCodeTags = !! $ 'script[src="//static.4chan.org/js/prettify/prettify.js"]'
+    Main.hasCodeTags = !! $ 'script[src^="//static.4chan.org/js/prettify/prettify"]'
 
     if MutationObserver = window.MutationObserver or window.WebKitMutationObserver or window.OMutationObserver
       observer = new MutationObserver Main.observer