diff --git a/install/step-ca-install.sh b/install/step-ca-install.sh
index b24644c27..7bfeaedc6 100644
--- a/install/step-ca-install.sh
+++ b/install/step-ca-install.sh
@@ -47,7 +47,7 @@ DeploymentType="standalone"
 DeploymentType="standalone"
 FQDN=$(hostname -f)
 DomainName=$(hostname -d)
-IP=$(hostname -I | awk '{print $1}')
+IP=${LOCAL_IP}
 LISTENER=":443"
 PKIName="MyHomePKI"
 PKIProvisioner="pki@$DomainName"