diff --git a/ChangeLog b/ChangeLog
index 4a23503c74..6a03e0a1db 100755
--- a/ChangeLog
+++ b/ChangeLog
@@ -9227,3 +9227,7 @@
 	  almost the same as kinetis_pinirq.c, just minor modifications and
 	  rename kl_pinirq to kl_gpioirq to make it more generic to developers.
 	  From Alan Carvalho de Assis (2014-12-13).
+	* arch/sim/src/up_ajoystick.c, Kconfig, Makefile, up_idle.c,
+	  up_internal.h, up_x11eventloop.c, up_x11framebuffer.c,
+	  configs/sim/src/Makefile, sim_boot.c, and traveler/defconfig: Add an
+	  X11 mouse-based simulation of an analog joystick device (2014-12-14).