diff --git a/scripts/services/scirius/init.sh b/scripts/services/scirius/init.sh
index 396d0cf..be070c9 100755
--- a/scripts/services/scirius/init.sh
+++ b/scripts/services/scirius/init.sh
@@ -73,21 +73,22 @@ pushd .
 cd /opt/mistborn
 
 # ensure group exists
-sudo docker-compose -f extra/wazuh.yml exec wazuh /var/ossec/bin/agent_groups -a -g suricata -q 2>/dev/null
+sudo docker-compose -f extra/wazuh.yml exec -T wazuh /var/ossec/bin/agent_groups -a -g suricata -q 2>/dev/null
 
 # add this host to group
-WAZUH_ID=$(sudo docker-compose -f extra/wazuh.yml exec wazuh /var/ossec/bin/manage_agents -l | egrep ^\ *ID | grep $(hostname) | awk '{print $2}' | tr -d ',')
-sudo docker-compose -f extra/wazuh.yml exec wazuh /var/ossec/bin/agent_groups -a -i ${WAZUH_ID} -g suricata -q
+WAZUH_ID=$(sudo docker-compose -f extra/wazuh.yml exec -T wazuh /var/ossec/bin/manage_agents -l | egrep ^\ *ID | grep $(hostname) | awk '{print $2}' | tr -d ',')
+sudo docker-compose -f extra/wazuh.yml exec -T wazuh /var/ossec/bin/agent_groups -a -i ${WAZUH_ID} -g suricata -q
 
 # write agent.conf
-sudo docker-compose -f extra/wazuh.yml exec wazuh cat > /var/ossec/etc/shared/linux/agent.conf << EOF
+AGENT_CONFIG="
 <agent_config>
     <localfile>
         <log_format>json</log_format>
         <location>/var/log/suricata/eve.json</location>
     </localfile>
 </agent_config>
-EOF
+"
+sudo docker-compose -f extra/wazuh.yml exec -T wazuh bash -c "echo ${AGENT_CONFIG} > /var/ossec/etc/shared/suricata/agent.conf"
 
 # restart manager
 sudo docker-compose -f extra/wazuh.yml restart wazuh