diff --git a/src/controllers/ProductsController.php b/src/controllers/ProductsController.php
index e5623f3..1101f9f 100644
--- a/src/controllers/ProductsController.php
+++ b/src/controllers/ProductsController.php
@@ -434,7 +434,7 @@ private function _rawProductEntryToVariantArray(Entry $rawProduct, $default = fa
             'optionValueOrName' => $formattedOptionValues ?: $rawProduct->vendProductVariantName,
             'parentProductId' => $rawProduct->vendProductVariantParentId,
             'default' => $default,
-            'hasUnlimitedStock' => !$productJson['has_inventory'],
+            'hasUnlimitedStock' => ($productJson['has_inventory'] ? '0' : '1'),
             'inventory' => $rawProduct->vendInventoryCount,
             'formattedOptionNames' => $formattedOptionNames,
             'formattedOptionValues' => $formattedOptionValues,
@@ -503,4 +503,4 @@ private function _updateInventoryInline(Entry $entry)
         }
     }
 
-}
\ No newline at end of file
+}