diff --git a/debian/changelog b/debian/changelog
index a31fecef..ee3be94e 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,7 +1,7 @@
 byobu (5.80) unreleased; urgency=medium
 
   * usr/lib/byobu/include/mondrian:
-    - simplify and cleanup the mondrian squares easter egg
+    - simplify and cleanup the mondrian squares easter egg, and idempotent
 
  -- Dustin Kirkland <kirkland@ubuntu.com>  Sun, 27 Apr 2014 09:22:30 -0500
 
diff --git a/usr/lib/byobu/include/mondrian b/usr/lib/byobu/include/mondrian
index 502699d3..28955875 100755
--- a/usr/lib/byobu/include/mondrian
+++ b/usr/lib/byobu/include/mondrian
@@ -60,6 +60,7 @@ yellow_color=226
 blue_color=57
 white_color=231
 
+tmux kill-window -t mondrian
 tmux new-window -n mondrian "$BYOBU_PREFIX/lib/byobu/include/mondrian color $white_color" \; \
 	set-option -g pane-active-border-bg colour231 \; \
 	set-option -g pane-active-border-fg black \; \