diff --git a/mime.types b/mime.types
index 4506cf1..675eb6c 100644
--- a/mime.types
+++ b/mime.types
@@ -6,8 +6,13 @@ types {
     application/json                      json map topojson;
     application/ld+json                   jsonld;
     application/rss+xml                   rss;
-    application/vnd.geo+json              geojson;
-    application/xml                       rdf xml;
+    # Normalize to standard type.
+    # https://tools.ietf.org/html/rfc7946#section-12
+    application/geo+json                  geojson;
+    application/xml                       xml;
+    # Normalize to standard type.
+    # https://tools.ietf.org/html/rfc3870#section-2
+    application/rdf+xml                   rdf;
 
 
   # JavaScript
diff --git a/nginx.conf b/nginx.conf
index 2611226..6cb4a25 100644
--- a/nginx.conf
+++ b/nginx.conf
@@ -124,12 +124,13 @@ http {
     application/ld+json
     application/manifest+json
     application/rss+xml
-    application/vnd.geo+json
+    application/geo+json
     application/vnd.ms-fontobject
     application/x-font-ttf
     application/x-web-app-manifest+json
     application/xhtml+xml
     application/xml
+    application/rdf+xml
     font/collection
     font/opentype
     font/otf