diff --git a/app/code/Magento/CatalogInventory/Block/Plugin/ProductView.php b/app/code/Magento/CatalogInventory/Block/Plugin/ProductView.php
index 50a79f86c736b84daf6a7cc4cc15bf3ade57dab7..ed66e16c348d8fd1b4f934545a791447246c5cf3 100644
--- a/app/code/Magento/CatalogInventory/Block/Plugin/ProductView.php
+++ b/app/code/Magento/CatalogInventory/Block/Plugin/ProductView.php
@@ -38,7 +38,7 @@ class ProductView
         );
 
         $params = [];
-        $params['minAllowed']  = max((float)$stockItem->getQtyMinAllowed(), 1);
+        $params['minAllowed']  = (float)$stockItem->getMinSaleQty();
         if ($stockItem->getQtyMaxAllowed()) {
             $params['maxAllowed'] = $stockItem->getQtyMaxAllowed();
         }
diff --git a/app/code/Magento/CatalogInventory/Test/Unit/Block/Plugin/ProductViewTest.php b/app/code/Magento/CatalogInventory/Test/Unit/Block/Plugin/ProductViewTest.php
index 601198249ed7294f87b262cd4ed4d7ad6b77af8c..adbd6f356dfb03261cac48d8fe7ffc642a19d9f7 100644
--- a/app/code/Magento/CatalogInventory/Test/Unit/Block/Plugin/ProductViewTest.php
+++ b/app/code/Magento/CatalogInventory/Test/Unit/Block/Plugin/ProductViewTest.php
@@ -28,7 +28,7 @@ class ProductViewTest extends \PHPUnit_Framework_TestCase
 
         $this->stockItem = $this->getMockBuilder(\Magento\CatalogInventory\Model\Stock\Item::class)
             ->disableOriginalConstructor()
-            ->setMethods(['getQtyMinAllowed', 'getQtyMaxAllowed', 'getQtyIncrements'])
+            ->setMethods(['getMinSaleQty', 'getQtyMaxAllowed', 'getQtyIncrements'])
             ->getMock();
 
         $this->stockRegistry = $this->getMockBuilder(\Magento\CatalogInventory\Api\StockRegistryInterface::class)
@@ -47,7 +47,7 @@ class ProductViewTest extends \PHPUnit_Framework_TestCase
         $result = [
             'validate-item-quantity' =>
                 [
-                    'minAllowed' => 2,
+                    'minAllowed' => 0.5,
                     'maxAllowed' => 5,
                     'qtyIncrements' => 3
                 ]
@@ -73,7 +73,7 @@ class ProductViewTest extends \PHPUnit_Framework_TestCase
             ->method('getStockItem')
             ->with('productId', 'websiteId')
             ->willReturn($this->stockItem);
-        $this->stockItem->expects($this->once())->method('getQtyMinAllowed')->willReturn(2);
+        $this->stockItem->expects($this->once())->method('getMinSaleQty')->willReturn(0.5);
         $this->stockItem->expects($this->any())->method('getQtyMaxAllowed')->willReturn(5);
         $this->stockItem->expects($this->any())->method('getQtyIncrements')->willReturn(3);
 
diff --git a/app/code/Magento/CatalogInventory/view/adminhtml/ui_component/product_form.xml b/app/code/Magento/CatalogInventory/view/adminhtml/ui_component/product_form.xml
index 64e0d2ec59d105f2e312a1e24a5b5ab864b8eec7..0df01ccf53deb20c8b073b93d45c2ee6300cb890 100644
--- a/app/code/Magento/CatalogInventory/view/adminhtml/ui_component/product_form.xml
+++ b/app/code/Magento/CatalogInventory/view/adminhtml/ui_component/product_form.xml
@@ -179,7 +179,6 @@
                             <item name="dataScope" xsi:type="string">min_sale_qty</item>
                             <item name="validation" xsi:type="array">
                                 <item name="validate-number" xsi:type="boolean">true</item>
-                                <item name="validate-digits" xsi:type="boolean">true</item>
                             </item>
                             <item name="sortOrder" xsi:type="string">0</item>
                             <item name="value" xsi:type="object">Magento\CatalogInventory\Model\Source\StockConfiguration</item>
diff --git a/app/code/Magento/Checkout/Model/Cart.php b/app/code/Magento/Checkout/Model/Cart.php
index 236c716f572d91e4bd4b88366414480567ccabc0..d92ddfad5bbc91829144ce3892a2df583ec73c11 100644
--- a/app/code/Magento/Checkout/Model/Cart.php
+++ b/app/code/Magento/Checkout/Model/Cart.php
@@ -358,11 +358,10 @@ class Cart extends DataObject implements CartInterface
         if ($productId) {
             $stockItem = $this->stockRegistry->getStockItem($productId, $product->getStore()->getWebsiteId());
             $minimumQty = $stockItem->getMinSaleQty();
-            //If product was not found in cart and there is set minimal qty for it
+            //If product quantity is not specified in request and there is set minimal qty for it
             if ($minimumQty
                 && $minimumQty > 0
                 && !$request->getQty()
-                && !$this->getQuote()->hasProductId($productId)
             ) {
                 $request->setQty($minimumQty);
             }