diff --git a/bp/product/routes.py b/bp/product/routes.py
index f4b71df..959ce5f 100644
--- a/bp/product/routes.py
+++ b/bp/product/routes.py
@@ -34,10 +34,16 @@ def register():
     # ─────────────────────────────────────────────────────────────
     @bp.before_request
     async def resolve_product():
+        from quart import request as req
+
         raw_slug = g.product_slug = getattr(g, "product_slug", None)
         if raw_slug is None:
             return
 
+        # POST endpoints (cart, like) only need the slug — skip redirects
+        if req.method == "POST":
+            return
+
         # 1. If slug is INT → load product by ID
         if raw_slug.isdigit():
             product_id = int(raw_slug)