diff --git a/src/main/java/net/openhft/chronicle/hash/serialization/internal/CharSequenceReader.java b/src/main/java/net/openhft/chronicle/hash/serialization/internal/CharSequenceReader.java
index 352e5b6ca..60eb7b516 100644
--- a/src/main/java/net/openhft/chronicle/hash/serialization/internal/CharSequenceReader.java
+++ b/src/main/java/net/openhft/chronicle/hash/serialization/internal/CharSequenceReader.java
@@ -1,17 +1,19 @@
 /*
- *     Copyright (C) 2015  higherfrequencytrading.com
+ * Copyright 2014 Higher Frequency Trading
  *
- *     This program is free software: you can redistribute it and/or modify
- *     it under the terms of the GNU Lesser General Public License as published by
- *     the Free Software Foundation, either version 3 of the License.
+ * http://www.higherfrequencytrading.com
  *
- *     This program is distributed in the hope that it will be useful,
- *     but WITHOUT ANY WARRANTY; without even the implied warranty of
- *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *     GNU Lesser General Public License for more details.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
  *
- *     You should have received a copy of the GNU Lesser General Public License
- *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
  */
 
 package net.openhft.chronicle.hash.serialization.internal;
@@ -26,7 +28,6 @@ import org.jetbrains.annotations.NotNull;
 import java.io.IOException;
 import java.io.ObjectStreamException;
 import java.io.Serializable;
-import java.io.UncheckedIOException;
 
 public final class CharSequenceReader<S extends CharSequence>
         implements BytesReader<S>, StatefulCopyable<CharSequenceReader<S>> {
@@ -84,9 +85,9 @@ public final class CharSequenceReader<S extends CharSequence>
     public S read(Bytes bytes, long size) {
         sb.setLength(0);
         try {
-            ((AbstractBytes) bytes).readUTF0(sb, (int) size);
+            AbstractBytes.readUTF0(bytes, sb, (int) size);
         } catch (IOException e) {
-            throw new UncheckedIOException(e);
+            throw new IllegalStateException(e);
         }
         return interner.intern(sb);
     }
@@ -106,9 +107,9 @@ public final class CharSequenceReader<S extends CharSequence>
             appendable = sb;
         }
         try {
-            ((AbstractBytes) bytes).readUTF0(appendable, (int) size);
+            AbstractBytes.readUTF0(bytes, appendable, (int) size);
         } catch (IOException e) {
-            throw new UncheckedIOException(e);
+            throw new IllegalStateException(e);
         }
         if (appendable == toReuse)
             return toReuse;