diff --git a/app/code/Magento/ConfigurableProduct/Model/ResourceModel/Product/StockStatusBaseSelectProcessor.php b/app/code/Magento/ConfigurableProduct/Model/ResourceModel/Product/StockStatusBaseSelectProcessor.php
index bc118043adc8e..c44f3dbf87967 100644
--- a/app/code/Magento/ConfigurableProduct/Model/ResourceModel/Product/StockStatusBaseSelectProcessor.php
+++ b/app/code/Magento/ConfigurableProduct/Model/ResourceModel/Product/StockStatusBaseSelectProcessor.php
@@ -45,7 +45,7 @@ public function __construct(
      */
     public function process(Select $select)
     {
-        if ($this->stockConfig->isShowOutOfStock()) {
+        if (!$this->stockConfig->isShowOutOfStock()) {
             $select->joinInner(
                 ['stock' => $this->stockStatusResource->getMainTable()],
                 sprintf(
diff --git a/app/code/Magento/ConfigurableProduct/Test/Unit/Model/ResourceModel/Product/StockStatusBaseSelectProcessorTest.php b/app/code/Magento/ConfigurableProduct/Test/Unit/Model/ResourceModel/Product/StockStatusBaseSelectProcessorTest.php
index dac3cef35ffa5..2b8e5e6a5efda 100644
--- a/app/code/Magento/ConfigurableProduct/Test/Unit/Model/ResourceModel/Product/StockStatusBaseSelectProcessorTest.php
+++ b/app/code/Magento/ConfigurableProduct/Test/Unit/Model/ResourceModel/Product/StockStatusBaseSelectProcessorTest.php
@@ -73,7 +73,7 @@ public function testProcess($isShowOutOfStock)
             ->disableOriginalConstructor()
             ->getMock();
 
-        if ($isShowOutOfStock) {
+        if (!$isShowOutOfStock) {
             $selectMock->expects($this->once())
                 ->method('joinInner')
                 ->with(