diff --git a/src/Topshelf/Configuration/Configurators/ValidateConfigurationResult.cs b/src/Topshelf/Configuration/Configurators/ValidateConfigurationResult.cs
index 9ee46c9a..68d84a13 100644
--- a/src/Topshelf/Configuration/Configurators/ValidateConfigurationResult.cs
+++ b/src/Topshelf/Configuration/Configurators/ValidateConfigurationResult.cs
@@ -43,7 +43,7 @@ public string Message
         {
             get
             {
-                string debuggerString = string.Join(", ", _results);
+                string debuggerString = string.Join(Environment.NewLine, _results);
 
                 return string.IsNullOrWhiteSpace(debuggerString)
                     ? ""