--- old/powerbtn.sh	2010-03-30 08:35:25.059130511 +0100
+++ new/powerbtn.sh	2010-03-30 08:35:41.039943784 +0100
@@ -3,6 +3,9 @@
 # Initiates a shutdown when the power putton has been
 # pressed.
 
+# Check to see if the advanced power functions are installed. If not,
+# then just poweroff.
+test -f /usr/share/acpi-support/power-funcs || exec /sbin/poweroff
 
 . /usr/share/acpi-support/power-funcs