diff --git a/api/RSSFeed.php b/api/RSSFeed.php
index df0ce0d26..acc81fb02 100644
--- a/api/RSSFeed.php
+++ b/api/RSSFeed.php
@@ -201,7 +201,7 @@ class RSSFeed extends ViewableData {
 
 		if(!headers_sent()) {
 			HTTP::add_cache_headers();
-			$response->addHeader("Content-Type", "application/rss+xml");
+			$response->addHeader("Content-Type", "application/rss+xml; charset=utf-8");
 		}
 
 		Config::inst()->update('SSViewer', 'source_file_comments', $prevState);