diff --git a/static/index.html b/static/index.html
index 0bd4a7954..39c7d80c1 100644
--- a/static/index.html
+++ b/static/index.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html>
 <head>
-  <meta http-equiv="Content-Security-Policy" content="default-src *; img-src data: *; script-src 'self'; style-src 'self' 'unsafe-inline';">
+  <meta http-equiv="Content-Security-Policy" content="default-src *; img-src blob: data: *; script-src 'self'; style-src 'self' 'unsafe-inline'; media-src blob: data: mediastream: *;">
   <script src="index.js"></script>
 </head>
 <body tabindex="-1">
