diff --git a/day01-image/scripts/flush_disk.sh b/day01-image/scripts/flush_disk.sh
new file mode 100644
index 0000000..5d57919
--- /dev/null
+++ b/day01-image/scripts/flush_disk.sh
@@ -0,0 +1,5 @@
+#!/bin/bash
+set -x
+
+echo 3 > /proc/sys/vm/drop_caches
+sync
diff --git a/day01-image/template.json b/day01-image/template.json
index a862869..7bb8d6c 100644
--- a/day01-image/template.json
+++ b/day01-image/template.json
@@ -93,7 +93,7 @@
         "scripts/cleanup_salt.sh",
         "scripts/cleanup_day01.sh",
         "scripts/info.sh",
-        "scripts/zerodisk.sh"
+        "scripts/flush_disk.sh"
       ]
     },
     {