diff --git a/e-invoice-domain/src/main/kotlin/net/codinux/invoicing/email/FetchEmailsStatus.kt b/e-invoice-domain/src/main/kotlin/net/codinux/invoicing/email/FetchEmailsStatus.kt
index 2d06fdc..439e2d5 100644
--- a/e-invoice-domain/src/main/kotlin/net/codinux/invoicing/email/FetchEmailsStatus.kt
+++ b/e-invoice-domain/src/main/kotlin/net/codinux/invoicing/email/FetchEmailsStatus.kt
@@ -39,8 +39,8 @@ data class FetchEmailsStatus(
             return part
         }
 
-        (part as? BodyPart)?.parent.let { parent ->
-            return getMessage(part)
+        (part as? BodyPart)?.parent?.parent?.let { parent ->
+            return getMessage(parent)
         }
 
         return null