diff --git a/src/ZeroLog/Appenders/ConsoleAppender.cs b/src/ZeroLog/Appenders/ConsoleAppender.cs
index aabe0664..d5799496 100644
--- a/src/ZeroLog/Appenders/ConsoleAppender.cs
+++ b/src/ZeroLog/Appenders/ConsoleAppender.cs
@@ -10,13 +10,13 @@ public class ConsoleAppender : AppenderBase<DefaultAppenderConfig>
         private readonly Stream _output;
 
         public ConsoleAppender()
+            : this(DefaultPrefixPattern)
         {
-            _output = Console.OpenStandardOutput();
         }
 
-        public ConsoleAppender(string prefixPattern = DefaultPrefixPattern)
-            : this()
+        public ConsoleAppender(string prefixPattern)
         {
+            _output = Console.OpenStandardOutput();
             Configure(prefixPattern);
         }