diff --git a/app/assets/javascripts/templates/partials/shop_variant_no_group_buy.html.haml b/app/assets/javascripts/templates/partials/shop_variant_no_group_buy.html.haml
index d3ae5b9b46..12572930dd 100644
--- a/app/assets/javascripts/templates/partials/shop_variant_no_group_buy.html.haml
+++ b/app/assets/javascripts/templates/partials/shop_variant_no_group_buy.html.haml
@@ -8,7 +8,7 @@
     {{ "js.shop_variant_no_group_buy.increment" | t }}
   %br
   .variant-quantity-display{ng: {class: "{visible: variant.line_item.quantity}"}}
-    {{ "js.shop_variant_no_group_buy.in_cart" | t:{quantity: variant.line_item.quantity} }}
+    {{ "js.shop_variant_no_group_buy.in_cart" | t:{quantity: variant.line_item.quantity || 0} }}
   %input{type: :hidden,
          name: "variants[{{::variant.id}}]",
          ng: {model: "variant.line_item.quantity"}}