diff --git a/Controls.DocumentViewer/DocumentViewer.vb b/Controls.DocumentViewer/DocumentViewer.vb
index 683d63e8..5c07cacf 100644
--- a/Controls.DocumentViewer/DocumentViewer.vb
+++ b/Controls.DocumentViewer/DocumentViewer.vb
@@ -127,7 +127,7 @@ Public Class DocumentViewer
     End Sub
     Private Sub FreeFile()
         Try
-            If Len(_FilePath) Then
+            If Len(_FilePath) OrElse _Fileinfo Is Nothing Then
                 Exit Sub
             End If
             Dim oExtension As String = _Fileinfo.Extension.ToUpper