--- a/src/ptclib/podbc.cxx	
+++ a/src/ptclib/podbc.cxx	
@@ -1217,7 +1217,7 @@ PString PODBCRecord::GetLongData(PINDEX Column)
 
     while (InternalGetData((USHORT)Column,sbin.GetPointer(len + 1),len,&cb))
 	{
-		if (sbin.Right(1) == '\0')			// Remove Null Char
+		if (sbin.Right(1).IsEmpty())			// Remove Null Char
 			Data = Data + sbin.Left(sbin.GetLength()-1);
 		else
 			Data = Data + sbin;