diff --git a/src/wg-quick.bash b/src/wg-quick.bash
index 88e671f..f69061a 100755
--- a/src/wg-quick.bash
+++ b/src/wg-quick.bash
@@ -30,7 +30,8 @@ parse_options() {
 	[[ $CONFIG_FILE =~ ^[a-zA-Z0-9_=+.-]{1,16}$ ]] && CONFIG_FILE="/etc/wireguard/$CONFIG_FILE.conf"
 	[[ -e $CONFIG_FILE ]] || die "\`$CONFIG_FILE' does not exist"
 	[[ $CONFIG_FILE =~ /?([a-zA-Z0-9_=+.-]{1,16})\.conf$ ]] || die "The config file must be a valid interface name, followed by .conf"
-	((($(stat -c '0%#a' "$CONFIG_FILE") & $(stat -c '0%#a' "/etc/wireguard") & 0007) == 0)) || echo "Warning: \`$CONFIG_FILE' is world accessible" >&2
+	CONFIG_FILE="$(readlink -f "$CONFIG_FILE")"
+	((($(stat -c '0%#a' "$CONFIG_FILE") & $(stat -c '0%#a' "${CONFIG_FILE%/*}") & 0007) == 0)) || echo "Warning: \`$CONFIG_FILE' is world accessible" >&2
 	INTERFACE="${BASH_REMATCH[1]}"
 	shopt -s nocasematch
 	while read -r line || [[ -n $line ]]; do