diff --git a/Tasks/PdfBuilder.cs b/Tasks/PdfBuilder.cs
index 9096269..912b9d9 100644
--- a/Tasks/PdfBuilder.cs
+++ b/Tasks/PdfBuilder.cs
@@ -61,7 +61,8 @@ public class PdfBuilder
             var owner = Settings._instance.customers.customers.FirstOrDefault(c => c.ID == addressSet.owner_id);
             if (owner != null && !string.IsNullOrWhiteSpace(owner.sender_address))
                 // ensure single line and wrap in a small-font tag
-                senderLine = "<font6>" + owner.sender_address.Replace("\n", " ").Trim() + "</font6>\n";
+                senderLine = "<font6>" + owner.sender_address.Replace("\n", " ").Trim();
+            
         }
         catch
         {
@@ -73,7 +74,14 @@ public class PdfBuilder
             var addr = AddressCreator.CreateFinalMarkdownString(addressSet.KasPersons[i].refsid);
             if (string.IsNullOrWhiteSpace(addr.Trim())) continue;
             if (!string.IsNullOrEmpty(senderLine))
+            {
+                if (addressSet.KasPersons[i].refsid != null)
+                {
+                    senderLine += "\nID: " + addressSet.KasPersons[i].refsid + "</font6>\n";
+                }
                 addresses.Add(senderLine + addr);
+                
+            }
             else
                 addresses.Add(addr);
         }