kmx.io/prism.js

diff --git a/plugins/toolbar/prism-toolbar.js b/plugins/toolbar/prism-toolbar.js
index 6e59aed..9329451 100644
--- a/plugins/toolbar/prism-toolbar.js
+++ b/plugins/toolbar/prism-toolbar.js
@@ -59,7 +59,7 @@
 		}
 
 		// Autoloader rehighlights, so only do this once.
-		if (pre.classList.contains('code-toolbar')) {
+		if (pre.parentNode.classList.contains('code-toolbar')) {
 			return;
 		}