diff --git a/Makefile b/Makefile
index fa44ed42e..10fd0db1a 100644
--- a/Makefile
+++ b/Makefile
@@ -31,7 +31,7 @@ webpack:
 	$(WEBPACK) --bail
 
 sync-s3:
-	$(S3CMD) sync -P --delete-removed --exclude '.DS_Store' --exclude '*.svg' ./build/ s3://$(S3_BUCKET_NAME)/
+	$(S3CMD) sync -P --delete-removed --exclude '.DS_Store' --exclude '*.svg' --guess-mime-type ./build/ s3://$(S3_BUCKET_NAME)/
 	$(S3CMD) sync -P --delete-removed --exclude '*' --include '*.svg' --mime-type 'image/svg+xml' ./build/ s3://$(S3_BUCKET_NAME)/
 
 sync-fastly:
diff --git a/src/template.html b/src/template.html
index b97326cc4..9f905045a 100644
--- a/src/template.html
+++ b/src/template.html
@@ -6,7 +6,6 @@
         <meta charset="UTF-8" />
 
         <meta http-equiv="x-ua-compatible" content="ie=edge">
-        <meta http-equiv="x-frame-options" content="deny">
         <meta name="viewport" content="width={{viewportWidth}}, initial-scale=1">
 
         <title>Scratch - {{title}}</title>