diff --git a/core/org.eclipse.cdt.core.native/src/org/eclipse/cdt/utils/pty/PTYOutputStream.java b/core/org.eclipse.cdt.core.native/src/org/eclipse/cdt/utils/pty/PTYOutputStream.java
index f6096e5a443..8255597c43a 100644
--- a/core/org.eclipse.cdt.core.native/src/org/eclipse/cdt/utils/pty/PTYOutputStream.java
+++ b/core/org.eclipse.cdt.core.native/src/org/eclipse/cdt/utils/pty/PTYOutputStream.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2000, 2011 QNX Software Systems and others.
+ * Copyright (c) 2000, 2014 QNX Software Systems and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -46,7 +46,7 @@ public class PTYOutputStream extends OutputStream {
 			return;
 		}
 		byte[] tmpBuf = new byte[len];
-		System.arraycopy(b, off, tmpBuf, off, len);
+		System.arraycopy(b, off, tmpBuf, 0, len);
 		write0(master.getFD(), tmpBuf, len);
 	}
 	/**