diff --git a/frontend/static/html/head.html b/frontend/static/html/head.html
index b96be3aa9..4fe664f4e 100644
--- a/frontend/static/html/head.html
+++ b/frontend/static/html/head.html
@@ -22,7 +22,12 @@
       --colorful-error-extra-color: #7e2a33;
     }
   </style>
-  <link id="favicon" rel="shortcut icon" href="/./images/favicon/favicon.ico" />
+  <link
+    id="favicon"
+    rel="shortcut icon"
+    type="image/x-icon"
+    href="/./images/favicon/favicon.ico"
+  />
   <link
     rel="apple-touch-icon"
     sizes="180x180"