diff --git a/web/viewer.html b/web/viewer.html
index 4c420732d..50798ab5a 100644
--- a/web/viewer.html
+++ b/web/viewer.html
@@ -26,6 +26,9 @@ See https://github.com/adobe-type-tools/cmap-resources
     <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
 <!--#if GENERIC || CHROME-->
     <meta name="google" content="notranslate">
+<!--#endif-->
+<!--#if GENERIC-->
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
 <!--#endif-->
     <title>PDF.js viewer</title>