diff --git a/020_bootchart.sh b/020_bootchart.sh
index 08e9aa2..39e6b92 100644
--- a/020_bootchart.sh
+++ b/020_bootchart.sh
@@ -3,3 +3,5 @@ apt-get install -y bootchart2 pybootchartgui
 sed -i "s|^GRUB_CMDLINE_LINUX=\"\(.*\)\"|GRUB_CMDLINE_LINUX=\"\1 initcall_debug printk.time=y rdinitrd=/sbin/bootchartd\"|" /etc/default/grub
 
 update-grub
+
+update-mkinitramfs -k all -u