diff --git a/CSharp/Libraries/UniversalEditor.Core/IO/Reader.cs b/CSharp/Libraries/UniversalEditor.Core/IO/Reader.cs
index aa5d3e0f..f175be47 100644
--- a/CSharp/Libraries/UniversalEditor.Core/IO/Reader.cs
+++ b/CSharp/Libraries/UniversalEditor.Core/IO/Reader.cs
@@ -49,6 +49,7 @@ namespace UniversalEditor.IO
 
 		public char ReadChar()
 		{
+			charBuffer = null;
 			if (charBuffer == null)
 			{
 				int maxByteCount = base.Accessor.DefaultEncoding.GetMaxByteCount(1);