diff --git a/SabreTools.Serialization/Wrappers/WrapperBaseT.cs b/SabreTools.Serialization/Wrappers/WrapperBaseT.cs
index c5d3c180..da9b9d79 100644
--- a/SabreTools.Serialization/Wrappers/WrapperBaseT.cs
+++ b/SabreTools.Serialization/Wrappers/WrapperBaseT.cs
@@ -294,6 +294,8 @@ namespace SabreTools.Serialization.Wrappers
             // Reset cached data
             sourceDataIndex = 0;
             cachedString = string.Empty;
+            lastReadChar = string.Empty;
+            lastReadCharCount = 0;
 
             // We are limiting the check for Unicode characters with a second byte of 0x00 for now