diff --git a/src/Spectre.Console/Internal/Colors/ColorSystemDetector.cs b/src/Spectre.Console/Internal/Colors/ColorSystemDetector.cs
index e6ca217..6f6626f 100644
--- a/src/Spectre.Console/Internal/Colors/ColorSystemDetector.cs
+++ b/src/Spectre.Console/Internal/Colors/ColorSystemDetector.cs
@@ -19,7 +19,7 @@ namespace Spectre.Console.Internal
             {
                 if (supportsAnsi)
                 {
-                    var regex = new Regex("^Microsoft Windows (?'major'[0-9]*).(?'minor'[0-9]*).(?'build'[0-9]*)$");
+                    var regex = new Regex("^Microsoft Windows (?'major'[0-9]*).(?'minor'[0-9]*).(?'build'[0-9]*)\\s*$");
                     var match = regex.Match(RuntimeInformation.OSDescription);
                     if (match.Success && int.TryParse(match.Groups["major"].Value, out var major))
                     {