diff --git a/src/CXml/Builder/OrderRequestBuilder.php b/src/CXml/Builder/OrderRequestBuilder.php
index 5c32ae7..88a0d94 100644
--- a/src/CXml/Builder/OrderRequestBuilder.php
+++ b/src/CXml/Builder/OrderRequestBuilder.php
@@ -259,6 +259,9 @@ private function buildOrderRequestHeader(): OrderRequestHeader
             ->setTax($this->tax)
         ;
 
+		foreach ($this->comments as $comment) {
+			$orh->addComment($comment);
+		}
         foreach ($this->extrinsics as $extrinsic) {
             $orh->addExtrinsic($extrinsic);
         }