diff --git a/src/etc/etc.i386/sysctl.conf b/src/etc/etc.i386/sysctl.conf
index 23918452..d94895a3 100644
--- a/src/etc/etc.i386/sysctl.conf
+++ b/src/etc/etc.i386/sysctl.conf
@@ -1 +1,2 @@
 #machdep.allowaperture=1	# 1=On i386, permit access to aperture driver for XFree86
+#machdep.apmwarn=10		# battery % when apm status messages enabled