diff --git a/addons/web/controllers/main.py b/addons/web/controllers/main.py
index d18f14d9b3f..e14f72cf682 100644
--- a/addons/web/controllers/main.py
+++ b/addons/web/controllers/main.py
@@ -999,8 +999,8 @@ class Binary(http.Controller):
         elif status != 200 and download:
             return request.not_found()
 
-        height = int(height)
-        width = int(width)
+        height = int(height or 0)
+        width = int(width or 0)
         if content and (width or height):
             # resize maximum 500*500
             if width > 500: