diff --git a/app/index.html b/app/index.html
index feaa697..46490c4 100644
--- a/app/index.html
+++ b/app/index.html
@@ -32,7 +32,7 @@
 
 		<script id="autorun" type="module">
 			function autorun() {
-				log_style =
+				let log_style =
 					'; font-size: 14px; font-weight: bold; font-style: monospace;' +
 					'background: #000; color: #fff;' +
 					'padding: 8px; border-radius: 5px;';