diff --git a/api/models/product.py b/api/models/product.py
index dfa5e26..f79a81a 100644
--- a/api/models/product.py
+++ b/api/models/product.py
@@ -4,7 +4,6 @@ from datetime import datetime
 from api.extensions import db
 from flask_sqlalchemy import BaseQuery
 from sqlalchemy import or_
-from sqlalchemy.orm import joinedload
 
 
 class Product(db.Model):
@@ -99,9 +98,6 @@ class PrintProductQuery(BaseQuery):
     def framed_prints(self):
         return self.filter(PrintProduct.groupid == 8)
 
-    def with_relations(self):
-        return self.options(joinedload("*"))
-
 
 class PrintProduct(db.Model):
 
@@ -115,4 +111,4 @@ class PrintProduct(db.Model):
     )
     groupid = db.Column(db.Integer, nullable=False)
 
-    product = db.relationship("Product", backref="printproducts")
+    product = db.relationship("Product", backref="printproducts", lazy="joined")
diff --git a/api/resources/prices.py b/api/resources/prices.py
index 54552f0..a211fca 100644
--- a/api/resources/prices.py
+++ b/api/resources/prices.py
@@ -512,15 +512,13 @@ def inquiry(inquiry_id):
 
 @mod.route("/list-prices/<string:territory>/wallpaper")
 def list_prices_wallpaper(territory):
-    wallpapers = PrintProduct.query.wallpapers().with_relations().all()
+    wallpapers = PrintProduct.query.wallpapers().all()
     result = {}
     material = Material.query.filter(Material.name == "standard-wallpaper").one()
     market = market_model.from_territory(territory)
 
     for wallpaper in wallpapers:
-        result[wallpaper.id] = wallpaper_price(
-            width=100,
-            height=100,
+        result[wallpaper.id] = m2_price(
             material=material,
             market=market,
             designer=wallpaper.product.designer,
@@ -530,7 +528,7 @@ def list_prices_wallpaper(territory):
 
 @mod.route("/list-prices/<string:territory>/canvas")
 def list_prices_canvas(territory):
-    canvases = PrintProduct.query.canvases().with_relations().all()
+    canvases = PrintProduct.query.canvases().all()
     market = market_model.from_territory(territory)
 
     result = {}
@@ -547,7 +545,7 @@ def list_prices_canvas(territory):
 
 @mod.route("/list-prices/<string:territory>/poster")
 def list_prices_posters(territory):
-    posters = PrintProduct.query.posters().with_relations().all()
+    posters = PrintProduct.query.posters().all()
     market = market_model.from_territory(territory)
 
     result = {}
@@ -564,7 +562,7 @@ def list_prices_posters(territory):
 
 @mod.route("/list-prices/<string:territory>/framed-print")
 def list_prices_framed_prints(territory):
-    framed_prints = PrintProduct.query.framed_prints().with_relations().all()
+    framed_prints = PrintProduct.query.framed_prints().all()
     market = market_model.from_territory(territory)
 
     result = {}