diff --git a/dev/tests/integration/testsuite/Magento/Framework/Css/PreProcessor/Adapter/CssInlinerTest.php b/dev/tests/integration/testsuite/Magento/Framework/Css/PreProcessor/Adapter/CssInlinerTest.php
index f1468f718df61..9d71604a9f941 100644
--- a/dev/tests/integration/testsuite/Magento/Framework/Css/PreProcessor/Adapter/CssInlinerTest.php
+++ b/dev/tests/integration/testsuite/Magento/Framework/Css/PreProcessor/Adapter/CssInlinerTest.php
@@ -75,13 +75,12 @@ public function testGetFilesEmogrifier($htmlFilePath, $cssFilePath, $cssExpected
         $emogrifier->setCss($css);
         $emogrifier->setHtml($html);
         $result = $emogrifier->emogrify();
+
         /**
-         * Tests a bug in the library where there's no spaces to CSS string before passing to Emogrifier
-         * to fix known parsing issue with library.
-         * This test should will fail when this bug is fixed in the library and we should fix the adapter.
-         * https://github.com/jjriv/emogrifier/issues/370
+         * This test was implemented for the issue which existed in the older version of Emogrifier.
+         * Test was updated, as the library got updated as well.
          */
-        $this->assertNotContains($cssExpected, $result);
+        $this->assertContains($cssExpected, $result);
     }
 
     /**
diff --git a/lib/internal/Magento/Framework/Css/PreProcessor/Adapter/CssInliner.php b/lib/internal/Magento/Framework/Css/PreProcessor/Adapter/CssInliner.php
index 342283c312293..7164e68c709fb 100644
--- a/lib/internal/Magento/Framework/Css/PreProcessor/Adapter/CssInliner.php
+++ b/lib/internal/Magento/Framework/Css/PreProcessor/Adapter/CssInliner.php
@@ -41,13 +41,7 @@ public function setHtml($html)
      */
     public function setCss($css)
     {
-        /**
-         * Adds space to CSS string before passing to Emogrifier to fix known parsing issue with library.
-         * https://github.com/jjriv/emogrifier/issues/370
-         */
-        $cssWithAddedSpaces = preg_replace('#([\{\}>])#i', ' $1 ', $css);
-
-        $this->emogrifier->setCss($cssWithAddedSpaces);
+        $this->emogrifier->setCss($css);
     }
 
     /**