diff --git a/src/etc/etc.zaurus/sysctl.conf b/src/etc/etc.zaurus/sysctl.conf
index a947ddde..cd3b9fac 100644
--- a/src/etc/etc.zaurus/sysctl.conf
+++ b/src/etc/etc.zaurus/sysctl.conf
@@ -1 +1,2 @@
 #machdep.allowaperture=2	# See xf86(4)
+#machdep.apmwarn=10		# battery % when apm status messages enabled