diff --git a/etc/nextcloudpi-config.d/freeDNS.sh b/etc/nextcloudpi-config.d/freeDNS.sh
index 5dee1b377..601892208 100644
--- a/etc/nextcloudpi-config.d/freeDNS.sh
+++ b/etc/nextcloudpi-config.d/freeDNS.sh
@@ -54,8 +54,8 @@ configure()
 #!/bin/bash
 echo "FreeDNS client started"
 echo "${URL}"
-registeredIP=$(nslookup ${DOMAIN_}|tail -n2|grep A|sed s/[^0-9.]//g)
-currentIP=$(wget -q -O - http://checkip.dyndns.org|sed s/[^0-9.]//g)
+registeredIP=$\(nslookup ${DOMAIN_}|tail -n2|grep A|sed s/[^0-9.]//g)
+currentIP=\$(wget -q -O - http://checkip.dyndns.org|sed s/[^0-9.]//g)
     [ "\$currentIP" != "\$registeredIP" ] && {
         wget -q -O /dev/null ${URL}
   }