diff --git a/initrd/bin/poweroff b/initrd/bin/poweroff
index 813726ad..ef4bdf86 100755
--- a/initrd/bin/poweroff
+++ b/initrd/bin/poweroff
@@ -1,5 +1,5 @@
-#!/bin/bash
-. /etc/functions
+#!/bin/ash
+. /etc/ash_functions
 
 TRACE "Under /bin/poweroff"
 
diff --git a/initrd/bin/reboot b/initrd/bin/reboot
index 209dc91b..97d37a2b 100755
--- a/initrd/bin/reboot
+++ b/initrd/bin/reboot
@@ -1,5 +1,5 @@
-#!/bin/bash
-. /etc/functions
+#!/bin/ash
+. /etc/ash_functions
 
 TRACE "Under /bin/reboot"