diff --git a/src/Core/NetPad.Runtime/ExecutionModel/External/Interface/ActionTextWriter.cs b/src/Core/NetPad.Runtime/ExecutionModel/External/Interface/ActionTextWriter.cs
index 0fd1e6eb..9a4fa0bc 100644
--- a/src/Core/NetPad.Runtime/ExecutionModel/External/Interface/ActionTextWriter.cs
+++ b/src/Core/NetPad.Runtime/ExecutionModel/External/Interface/ActionTextWriter.cs
@@ -3,7 +3,7 @@
 
 namespace NetPad.ExecutionModel.External.Interface;
 
-internal class ActionTextWriter(Action<string?, bool> write) : TextWriter
+internal class ActionTextWriter(Action<object?, bool> write) : TextWriter
 {
     public override Encoding Encoding => Encoding.Default;
 
@@ -17,6 +17,16 @@ public override void WriteLine(string? value)
         write(value, true);
     }
 
+    public override void Write(char value)
+    {
+        write(value, false);
+    }
+
+    public override void WriteLine(char value)
+    {
+        write(value, true);
+    }
+
     public override void WriteLine()
     {
         write("\n", false);