diff --git a/sledilnik/posts/api.py b/sledilnik/posts/api.py
index 3b6e509..842ef84 100644
--- a/sledilnik/posts/api.py
+++ b/sledilnik/posts/api.py
@@ -35,6 +35,6 @@ def dehydrate(self, bundle):
         translation.activate(lang)
 
         if bundle.obj.image:
-            bundle.data["image"] = bundle.request.build_absolute_uri(get_thumbnail(bundle.obj.image, "800x600").url)
+            bundle.data["image"] = bundle.request.build_absolute_uri(get_thumbnail(bundle.obj.image, "800x810").url)
 
         return bundle