diff --git a/app/index.html b/app/index.html
index c7c22ecb..b542f693 100644
--- a/app/index.html
+++ b/app/index.html
@@ -8,7 +8,7 @@
             content="
                             default-src 'self';
                             font-src data:;
-                            script-src 'self' 'unsafe-eval';
+                            script-src 'self' blob: 'unsafe-eval';
                             style-src 'self' blob:;
                             connect-src 'self' ws: https:;
                             child-src 'self' blob:;