diff --git a/src/PhpWord/Shared/Html.php b/src/PhpWord/Shared/Html.php
index a2ea9465..5739ec55 100644
--- a/src/PhpWord/Shared/Html.php
+++ b/src/PhpWord/Shared/Html.php
@@ -440,7 +440,7 @@ class Html
      */
     protected static function shouldAddTextRun(\DOMNode $node)
     {
-        $containsBlockElement = self::$xpath->query('.//table|./p|./ul|./ol', $node)->length > 0;
+        $containsBlockElement = self::$xpath->query('.//table|./p|./ul|./ol|./h1|./h2|./h3|./h4|./h5|./h6', $node)->length > 0;
         if ($containsBlockElement) {
             return false;
         }