diff --git a/versatileimagefield/utils.py b/versatileimagefield/utils.py
index 7bf8d8d..e03ee95 100644
--- a/versatileimagefield/utils.py
+++ b/versatileimagefield/utils.py
@@ -31,6 +31,7 @@
     'image/tiff': 'TIFF',
     'image/x-xbitmap': 'XBM',
     'image/x-xpm': 'XPM',
+    'image/webp': 'WEBP',
 }