diff --git a/web/viewer.html b/web/viewer.html
index 43c7784da..66d22271a 100644
--- a/web/viewer.html
+++ b/web/viewer.html
@@ -50,7 +50,7 @@ See https://github.com/adobe-type-tools/cmap-resources
     <!--#elif CHROME-->
     <!--<meta
       http-equiv="Content-Security-Policy"
-      content="default-src 'none'; script-src 'self' 'wasm-unsafe-eval'; worker-src 'self' blob:; style-src 'self'; style-src-elem 'self' 'unsafe-inline'; img-src 'self' blob: data:; font-src 'self' data:; connect-src * blob: data:; base-uri 'self'; form-action 'none';"
+      content="default-src 'none'; script-src 'self' 'wasm-unsafe-eval'; worker-src 'self' blob:; style-src 'self'; style-src-elem 'self' 'unsafe-inline'; img-src 'self' blob: data:; font-src 'self' data:; connect-src * file: chrome-extension: blob: data: filesystem: drive:; base-uri 'self'; form-action 'none';"
     />-->
     <!--#else-->
     <!--<meta