diff --git a/src/PhpSpreadsheet/Reader/Xlsx/ConditionalStyles.php b/src/PhpSpreadsheet/Reader/Xlsx/ConditionalStyles.php
index 5f6cb4dc..80361371 100644
--- a/src/PhpSpreadsheet/Reader/Xlsx/ConditionalStyles.php
+++ b/src/PhpSpreadsheet/Reader/Xlsx/ConditionalStyles.php
@@ -45,6 +45,7 @@ class ConditionalStyles
                         || (string) $cfRule['type'] == Conditional::CONDITION_CONTAINSTEXT
                         || (string) $cfRule['type'] == Conditional::CONDITION_CONTAINSBLANKS
                         || (string) $cfRule['type'] == Conditional::CONDITION_NOTCONTAINSBLANKS
+                        || (string) $cfRule['type'] == Conditional::CONDITION_NOTCONTAINSTEXT
                         || (string) $cfRule['type'] == Conditional::CONDITION_EXPRESSION)
                     && isset($this->dxfs[(int) ($cfRule['dxfId'])])
                 ) {
diff --git a/tests/PhpSpreadsheetTests/Reader/Xlsx/ConditionalTest.php b/tests/PhpSpreadsheetTests/Reader/Xlsx/ConditionalTest.php
new file mode 100644
index 00000000..6ee7bc37
--- /dev/null
+++ b/tests/PhpSpreadsheetTests/Reader/Xlsx/ConditionalTest.php
@@ -0,0 +1,31 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheetTests\Reader\Xlsx;
+
+use PhpOffice\PhpSpreadsheet\IOFactory;
+use PhpOffice\PhpSpreadsheet\Style\Conditional;
+use PhpOffice\PhpSpreadsheetTests\Functional\AbstractFunctional;
+
+class ConditionalTest extends AbstractFunctional
+{
+
+    /**
+     * Test check if conditional style with type 'notContainsText' works on xlsx
+     */
+    public function testConditionalNotContainsText(): void
+    {
+        $filename = 'tests/data/Reader/XLSX/conditionalFormatting3Test.xlsx';
+        $reader = IOFactory::createReader('Xlsx');
+        $spreadsheet = $reader->load($filename);
+        $worksheet = $spreadsheet->getActiveSheet();
+        $styles = $worksheet->getConditionalStyles('A1:A5');
+
+        $this->assertCount(1, $styles);
+
+        /** @var $notContainsTextStyle Conditional */
+        $notContainsTextStyle = $styles[0];
+        $this->assertEquals('A', $notContainsTextStyle->getText());
+        $this->assertEquals(Conditional::CONDITION_NOTCONTAINSTEXT, $notContainsTextStyle->getConditionType());
+        $this->assertEquals(Conditional::OPERATOR_NOTCONTAINS, $notContainsTextStyle->getOperatorType());
+    }
+}
diff --git a/tests/data/Reader/XLSX/conditionalFormatting3Test.xlsx b/tests/data/Reader/XLSX/conditionalFormatting3Test.xlsx
new file mode 100644
index 00000000..ee23e21c
Binary files /dev/null and b/tests/data/Reader/XLSX/conditionalFormatting3Test.xlsx differ