diff --git a/supabase/supabase-image-loader.js b/supabase/supabase-image-loader.js
index fcf6f796..50152558 100644
--- a/supabase/supabase-image-loader.js
+++ b/supabase/supabase-image-loader.js
@@ -1,4 +1,8 @@
 export default function supabaseLoader({ src, width, quality }) {
   const path = src.startsWith("/") ? src.slice(1) : src;
-  return `${process.env.NEXT_PUBLIC_SUPABASE_API_URL}/storage/v1/render/image/public/${path}?width=${width}&quality=${quality || 75}`;
+  // resize=contain scales proportionally to fit `width`. Without it Supabase
+  // defaults to resize=cover, and since next/image only passes width (no
+  // height), imgproxy fills the missing height with the source height and crops
+  // the width to fit — chopping the right side off large images. See #286.
+  return `${process.env.NEXT_PUBLIC_SUPABASE_API_URL}/storage/v1/render/image/public/${path}?width=${width}&quality=${quality || 75}&resize=contain`;
 }