diff --git a/polygerrit-ui/app/index.html b/polygerrit-ui/app/index.html
index a5cddada43..2649c21643 100644
--- a/polygerrit-ui/app/index.html
+++ b/polygerrit-ui/app/index.html
@@ -20,6 +20,12 @@ limitations under the License.
 <meta name="description" content="Gerrit Code Review">
 <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=0">
 
+<!--
+SourceCodePro fonts are used in styles/fonts.css
+@see https://github.com/w3c/preload/issues/32 regarding crossorigin
+-->
+<link rel="preload" href="/fonts/SourceCodePro-Regular.woff2" as="font" type="font/woff2" crossorigin>
+<link rel="preload" href="/fonts/SourceCodePro-Regular.woff" as="font" type="font/woff" crossorigin>
 <link rel="stylesheet" href="/styles/fonts.css">
 <link rel="stylesheet" href="/styles/main.css">
 <script src="/bower_components/webcomponentsjs/webcomponents-lite.js"></script>