diff --git a/src/imageformats/jp2.json b/src/imageformats/jp2.json
index 9766849..4bcc34a 100644
--- a/src/imageformats/jp2.json
+++ b/src/imageformats/jp2.json
@@ -1,4 +1,4 @@
 {
     "Keys": [ "jp2", "j2k", "jpf" ],
-    "MimeTypes": [ "image/jp2", "image/jp2", "image/jp2" ]
+    "MimeTypes": [ "image/jp2", "image/x-jp2-codestream", "image/jpx" ]
 }