diff --git a/Aviso/Anhänge/frmSendungAnhangImport.vb b/Aviso/Anhänge/frmSendungAnhangImport.vb
index 94024d4..b833911 100644
--- a/Aviso/Anhänge/frmSendungAnhangImport.vb
+++ b/Aviso/Anhänge/frmSendungAnhangImport.vb
@@ -143,11 +143,12 @@ Public Class frmSendungAnhangImport
 
                     WebBrowser.Visible = False
                     PdfViewer.Visible = (loc <> "")
-
-                    Dim data = File.ReadAllBytes(loc)
-                    Dim pdfStream = New MemoryStream(data)
-                    PdfViewer.LoadFromStream(pdfStream)
-                    pdfStream.Close()
+                    If doc <> "" Then
+                        Dim data = File.ReadAllBytes(loc)
+                        Dim pdfStream = New MemoryStream(data)
+                        PdfViewer.LoadFromStream(pdfStream)
+                        pdfStream.Close()
+                    End If
 
 
                     'NOT WORKING