From df8f36d391c9fc97bc5bad48190be2affc99498e Mon Sep 17 00:00:00 2001
From: Stephan Wendel <me@stephanwe.de>
Date: Mon, 6 Nov 2023 18:06:55 +0100
Subject: [PATCH] fix: shellcheck error on L#111

Signed-off-by: Stephan Wendel <me@stephanwe.de>
---
 libs/core.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libs/core.sh b/libs/core.sh
index 5595fa5..948aa63 100755
--- a/libs/core.sh
+++ b/libs/core.sh
@@ -108,7 +108,7 @@ function get_def_gw {
     if [ "$(cat /sys/class/net/wlan0/operstate)" == "up" ]; then
         default_gw="$(ip route | awk 'NR==1 {print $3}')"
         echo "${default_gw}"
-        if [ -z "$default_gw" ]; then
+        if [ -z "${default_gw}" ]; then
             log_msg "WARN: Cannot get the default gateway. Restarting service..."
             sleep 5
             systemctl restart sonar.service