diff --git a/_includes/themes/lab/default.html b/_includes/themes/lab/default.html
index 3463ac32..1de428dd 100755
--- a/_includes/themes/lab/default.html
+++ b/_includes/themes/lab/default.html
@@ -22,7 +22,7 @@
     <link href="{{ ASSET_PATH }}/css/style.css?body=1" rel="stylesheet" type="text/css" media="all"/>
 
     <!-- icon -->
-    <link rel="shortcut icon" type="image/png" href="/assets/themes/lab/images/logo/favicon.png"/>
+    <link rel="shortcut icon" type="image/png" href="/assets/themes/lab/images/logo/favicon.ico"/>
 
     <!-- Custom fonts and icons via Font Awesome, http://jpswalsh.github.io/academicons/ -->
     <link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/academicons/1.8.6/css/academicons.css"/>
diff --git a/assets/themes/lab/images/logo/favicon.ico b/assets/themes/lab/images/logo/favicon.ico
index afd1092c..8caacb42 100644
Binary files a/assets/themes/lab/images/logo/favicon.ico and b/assets/themes/lab/images/logo/favicon.ico differ