diff --git a/source/java/org/alfresco/repo/content/MimetypeMap.java b/source/java/org/alfresco/repo/content/MimetypeMap.java
index 2d33dc2f82..fe51adbe8d 100644
--- a/source/java/org/alfresco/repo/content/MimetypeMap.java
+++ b/source/java/org/alfresco/repo/content/MimetypeMap.java
@@ -63,6 +63,7 @@ public class MimetypeMap implements MimetypeService
     public static final String MIMETYPE_HTML = "text/html";
     public static final String MIMETYPE_XHTML = "application/xhtml+xml";
     public static final String MIMETYPE_PDF = "application/pdf";
+    public static final String MIMETYPE_JSON = "application/json";
     public static final String MIMETYPE_WORD = "application/msword";
     public static final String MIMETYPE_EXCEL = "application/vnd.excel";
     public static final String MIMETYPE_BINARY = "application/octet-stream";