diff --git a/2006/sykes1/.gitignore b/2006/sykes1/.gitignore
index e92ab0d39..e4c88413f 100644
--- a/2006/sykes1/.gitignore
+++ b/2006/sykes1/.gitignore
@@ -1,3 +1,4 @@
+cube.gif
 sykes1
 sykes1.html
 sykes1.orig