diff --git a/GUIs.ZooFlow/ClassInit.vb b/GUIs.ZooFlow/ClassInit.vb
index add35a2d..7c577ed8 100644
--- a/GUIs.ZooFlow/ClassInit.vb
+++ b/GUIs.ZooFlow/ClassInit.vb
@@ -324,7 +324,7 @@ Public Class ClassInit
 
             If TypeOf e.Error Is InitException Then
                 Dim oException As InitException = DirectCast(e.Error, InitException)
-                oMessage2 = $"{vbNewLine}{vbNewLine}Details: {oException.InnerException.Message}"
+                oMessage2 = $"{vbNewLine}{vbNewLine}Details: {oException?.InnerException?.Message}"
             End If
 
             Dim oMessage = $"{oMessageStart}{oMessage1}{oMessage2}{oMessageEnd}"