diff --git a/lib/API/Serve.js b/lib/API/Serve.js
index 178b9c36c..184beb225 100644
--- a/lib/API/Serve.js
+++ b/lib/API/Serve.js
@@ -171,6 +171,7 @@ var contentTypes = {
   'vrml': 'model/vrml',
   'war': 'application/java-archive',
   'wav': 'audio/x-wav',
+  'webp': 'image/webp',
   'wma': 'audio/x-ms-wma',
   'wmv': 'video/x-ms-wmv',
   'wmx': 'video/x-ms-wmx',