diff --git a/src/CommandLine/ParserSettings.cs b/src/CommandLine/ParserSettings.cs
index 07c10c4c..bc523deb 100644
--- a/src/CommandLine/ParserSettings.cs
+++ b/src/CommandLine/ParserSettings.cs
@@ -41,13 +41,12 @@ public ParserSettings()
 
         private int GetWindowWidth()
         {
-
-#if !NET40
-            if (Console.IsOutputRedirected) return DefaultMaximumLength;
-#endif
             var width = 1;
             try
             {
+#if !NET40
+            	if (Console.IsOutputRedirected) return DefaultMaximumLength;
+#endif
                 width = Console.WindowWidth;
                 if (width < 1)
                 {
diff --git a/src/CommandLine/Text/HelpText.cs b/src/CommandLine/Text/HelpText.cs
index f5e9a7b9..9e96dbc6 100644
--- a/src/CommandLine/Text/HelpText.cs
+++ b/src/CommandLine/Text/HelpText.cs
@@ -191,7 +191,7 @@ public HelpText(SentenceBuilder sentenceBuilder, string heading, string copyrigh
                     maximumDisplayWidth = DefaultMaximumLength;
                 }
             }
-            catch (IOException)
+            catch (Exception e) when ( e is IOException || e is PlatformNotSupportedException)
             {
                 maximumDisplayWidth = DefaultMaximumLength;
             }