diff --git a/index.html b/index.html
index 9998e65..bafb173 100644
--- a/index.html
+++ b/index.html
@@ -9,14 +9,14 @@
 	<!-- Firebase stuff is somewhat speculative, as the quota is exceeded as I'm adding this. -->
 	<!-- Lax img-src is needed for speech recognition, e.g. interpret_command("draw a cat")[0].exec(); -->
 	<!-- connect-src needs data:/blob: for loading images via fetch, including from local storage. -->
-	<meta http-equiv="Content-Security-Policy" content="
+	<!-- <meta http-equiv="Content-Security-Policy" content="
 		default-src 'self';
 		script-src 'self' https://jspaint.firebaseio.com;
 		style-src 'self' 'unsafe-inline' https://fonts.googleapis.com;
 		img-src 'self' data: blob: http: https:;
 		font-src 'self' https://fonts.gstatic.com;
 		connect-src * data: blob: https://jspaint.firebaseio.com wss://jspaint.firebaseio.com;
-	">
+	"> -->
 
 	<link href="styles/normalize.css" rel="stylesheet" type="text/css">
 	<link href="styles/layout.css" class="flippable-layout-stylesheet" rel="stylesheet" type="text/css">
@@ -831,4 +831,4 @@
 	</svg>
 </body>
 
-</html>
\ No newline at end of file
+</html>
diff --git a/src/functions.js b/src/functions.js
index 0b4683d..e572bcc 100644
--- a/src/functions.js
+++ b/src/functions.js
@@ -1078,8 +1078,9 @@ function file_save(maybe_saved_callback = () => { }, update_from_saved = true) {
 function print_zebra() {
 	write_image_file(main_canvas, 'image/png', (blob) => {
 		console.log(blob)
-		fetch(`print?printer=zebra`, {
+		fetch(`/print?printer=zebra`, {
 			method: 'POST',
+			headers: { 'content-type': 'image/png' },
 			body: blob,
 		}).then(response => {
 			console.log({response})