diff --git a/build.sh b/build.sh
index 5f0b4ee..2be497e 100755
--- a/build.sh
+++ b/build.sh
@@ -367,7 +367,7 @@ if [ -f "$ZABBIX_CONF_SRC" ]; then
         sudo chmod 644 "$ZABBIX_CONF_DST"
         echo "  Installed: $ZABBIX_CONF_DST"
         # Try common zabbix agent service names
-        local restarted=false
+        restarted=false
         for svc in zabbix_agentd zabbix-agent zabbix-agent2; do
             if systemctl is-active "$svc" >/dev/null 2>&1; then
                 sudo systemctl restart "$svc"