diff --git a/backend/server.js b/backend/server.js
index be42a51..129a28f 100644
--- a/backend/server.js
+++ b/backend/server.js
@@ -418,7 +418,8 @@ View: ${view}.
 CRITICAL INSTRUCTIONS:
 1. Pure white background.
 2. DO NOT include any infographics, extra text, labels, icons, or background scenery. Just the isolated object.
-3. If this object is very thin (like a sachet, pouch, or packet), the 'Left side view' and 'Right side view' must only show the thin edge profile of the object without the main front artwork.${backViewSpecifics}`;
+3. If this object is very thin (like a sachet, pouch, or packet), the 'Left side view' and 'Right side view' must only show the thin edge profile of the object without the main front artwork.
+4. CRITICAL: Maintain EXACTLY the same physical dimensions, shape, and aspect ratio across all views. The product's height and width MUST be consistent. Do not change between landscape and portrait orientations.${backViewSpecifics}`;
       
       const payload = {
         contents: [