diff --git a/ReportImp/SBBMainzReports/ServiceInvoiceReport.cs b/ReportImp/SBBMainzReports/ServiceInvoiceReport.cs
index 8e92027cc..e53933ade 100644
--- a/ReportImp/SBBMainzReports/ServiceInvoiceReport.cs
+++ b/ReportImp/SBBMainzReports/ServiceInvoiceReport.cs
@@ -5,7 +5,9 @@ using BeWo.Report.ReportObjects;
 using BS.Shared.Extensions;
 using DevExpress.XtraReports.UI;
 using System;
+using System.IO;
 using System.Linq;
+using System.Security.Cryptography;
 using System.Text;
 
 namespace SBBMainzReports
@@ -31,6 +33,8 @@ namespace SBBMainzReports
             {
                 lblReName.Text = lblReName.Text.Replace("/", "-");
             }
+            //SanitizeFilename auch in BS.Shard.Core aufgenommen, brauchte es aber hier sofort
+            lblReName.Text = SanitizeFilename(lblReName.Text);
             if (start.Month == end.Month && start.Year == end.Year)
 			{
 				lblAbrechnungszeitraum.Text = String.Format("{0:MMMM yyyy}", start);
@@ -143,5 +147,30 @@ namespace SBBMainzReports
         {
             PrintingSystem.Document.Name = String.Format("{0}", lblReName.Text);
         }
+
+        private static readonly char[] InvalidFilenameChars = Path.GetInvalidFileNameChars();
+
+        public static bool ContainsInvalidFilenameChars(string fileName)
+        {
+            return fileName.IndexOfAny(InvalidFilenameChars) >= 0;
+        }
+
+        public static string SanitizeFilename(string fileName)
+        {
+            if (String.IsNullOrEmpty(fileName) || !ContainsInvalidFilenameChars(fileName))
+            {
+                return fileName;
+            }
+
+            var sb = new StringBuilder(fileName.Length);
+            foreach (char c in fileName)
+            {
+                if (!InvalidFilenameChars.Contains(c))
+                {
+                    sb.Append(c);
+                }
+            }
+            return sb.ToString();
+        }
     }
 }
\ No newline at end of file
diff --git a/Shared/Core/SecurityUtils.cs b/Shared/Core/SecurityUtils.cs
index ccc3ede27..961b38f4c 100644
--- a/Shared/Core/SecurityUtils.cs
+++ b/Shared/Core/SecurityUtils.cs
@@ -17,6 +17,24 @@ namespace BS.Shared.Core
 			return fileName.IndexOfAny(InvalidFilenameChars) >= 0;
 		}
 
+		public static string SanitizeFilename(string fileName)
+		{
+			if (String.IsNullOrEmpty(fileName) || !ContainsInvalidFilenameChars(fileName))
+			{
+				return fileName;
+			}
+
+			var sb = new StringBuilder(fileName.Length);
+			foreach (char c in fileName)
+			{
+				if (!InvalidFilenameChars.Contains(c))
+				{
+					sb.Append(c);
+				}
+			}
+			return sb.ToString();
+		}
+
 		public static string GetChecksum(string filePath)
 		{
 			using (FileStream stream = File.OpenRead(filePath))