diff --git a/includes/mime_detect.inc b/includes/mime_detect.inc
index 74b87fd6..29fcf1e5 100644
--- a/includes/mime_detect.inc
+++ b/includes/mime_detect.inc
@@ -134,7 +134,7 @@ class MimeDetect {
     'xhtml' => 'application/xhtml+xml',
     'xsl' => 'text/xsl',
     'xslt' => 'text/xsl',
-    'xml' => 'text/xml',
+    'xml' => 'application/xml',
     'csv' => 'text/csv',
     'tsv' => 'text/tab-separated-values',
     'txt' => 'text/plain',