diff --git a/app/Services/PdfMaker/Designs/Utilities/DesignHelpers.php b/app/Services/PdfMaker/Designs/Utilities/DesignHelpers.php
index 844842b542e7..03c73a2dedaa 100644
--- a/app/Services/PdfMaker/Designs/Utilities/DesignHelpers.php
+++ b/app/Services/PdfMaker/Designs/Utilities/DesignHelpers.php
@@ -79,10 +79,10 @@ trait DesignHelpers
                 $document->importNode($element, true)
             );
 
-            return $document->saveHTML();
+            return $document->saveXML();
         }
 
-        return null;
+        return '';
     }
 
     /**