commit 2cb59275d1432da76a021416a7e65718476cebea
Author: Arkadiusz Miśkiewicz <arekm@maven.pl>
Date:   Fri Jan 5 19:32:28 2018 +0100

    Quote filename when checking. Without that * is expanded causing problems.

diff --git a/lib/functions b/lib/functions
index 74f4c95..9716981 100644
--- a/lib/functions
+++ b/lib/functions
@@ -182,12 +182,12 @@ apply_sysctl() {
 
 	local file
 	for file in /usr/lib/sysctl.d/*.conf; do
-		[ -f /run/sysctl.d/${file##*/} ] && continue
-		[ -f /etc/sysctl.d/${file##*/} ] && continue
+		[ -f "/run/sysctl.d/${file##*/}" ] && continue
+		[ -f "/etc/sysctl.d/${file##*/}" ] && continue
 		test -f "$file" && sysctl -q -e -p "$file"
 	done
 	for file in /run/sysctl.d/*.conf; do
-		[ -f /etc/sysctl.d/${file##*/} ] && continue
+		[ -f "/etc/sysctl.d/${file##*/}" ] && continue
 		test -f "$file" && sysctl -q -e -p "$file"
 	done
 	for file in /etc/sysctl.d/*.conf; do