diff --git a/src/io.c b/src/io.c
index 137879b95..8e1ed59f8 100644
--- a/src/io.c
+++ b/src/io.c
@@ -8,7 +8,7 @@
  *
  *		Implement I/O ports and their operations.
  *
- * Version:	@(#)io.c	1.0.4	2019/09/23
+ * Version:	@(#)io.c	1.0.7	2019/09/23
  *
  * Authors:	Sarah Walker, <http://pcem-emulator.co.uk/>
  *		Miran Grca, <mgrca8@gmail.com>