diff --git a/src/Storage/Controllers/ContentOnDemandController.cs b/src/Storage/Controllers/ContentOnDemandController.cs
index 5eb7dc1f..04aba04b 100644
--- a/src/Storage/Controllers/ContentOnDemandController.cs
+++ b/src/Storage/Controllers/ContentOnDemandController.cs
@@ -183,8 +183,18 @@ public async Task<Stream> GetFormdataAsPdf([FromRoute] string org, [FromRoute] s
             MemoryStream pdfStream = new();
             mergedDoc.Save(pdfStream);
 
-            instance.DataValues.TryGetValue("A2ArchRefTs", out string watermark);
-            watermark = (watermark ?? ((DateTime)instance.Created).ToLocalTime().ToString("dd-MM-yyyy HH:mm:ss", CultureInfo.InvariantCulture))
+            DateTime created;
+            if (instance.DataValues.TryGetValue("A2ArchRefTs", out string a2ArchRefTs))
+            {
+                created = DateTime.ParseExact(a2ArchRefTs, "dd-MM-yyyy HH:mm:ss", CultureInfo.InvariantCulture);
+            }
+            else
+            {
+                created = ((DateTime)instance.Created).ToLocalTime();
+            }
+
+            string timestampFormat = language == "en" ? "MM/dd/yyyy hh:mm:ss tt" : "dd.MM.yyyy HH:mm:ss";
+            string watermark = created.ToString(timestampFormat, CultureInfo.InvariantCulture)
                 + $" AR{instance.DataValues["A2ArchRef"]}";
 
             using var finalPdfDocument = PdfReader.Open(pdfStream, PdfDocumentOpenMode.Modify);