diff --git a/dev/vagrant/centos-bootstrap.sh b/dev/vagrant/centos-bootstrap.sh
index d73c130d7f..0aee56eb44 100644
--- a/dev/vagrant/centos-bootstrap.sh
+++ b/dev/vagrant/centos-bootstrap.sh
@@ -119,7 +119,7 @@ EOF
 
     # The openrc file.
     cat > ~vagrant/openrc <<EOF
-export OS_AUTH_URL="$(ADMIN_PROTOCOL)://${SUPPORT_NODE}:35357/v3"
+export OS_AUTH_URL="${ADMIN_PROTOCOL}://${SUPPORT_NODE}:35357/v3"
 export OS_USERNAME=admin
 export OS_PASSWORD=password
 export OS_TENANT_NAME=admin
diff --git a/dev/vagrant/ubuntu-bootstrap.sh b/dev/vagrant/ubuntu-bootstrap.sh
index eda37ef7f0..feeb7141f2 100644
--- a/dev/vagrant/ubuntu-bootstrap.sh
+++ b/dev/vagrant/ubuntu-bootstrap.sh
@@ -93,7 +93,7 @@ EOF
 
     # The openrc file.
     cat > ~vagrant/openrc <<EOF
-export OS_AUTH_URL="$(ADMIN_PROTOCOL)://${SUPPORT_NODE}:35357/v3"
+export OS_AUTH_URL="${ADMIN_PROTOCOL}://${SUPPORT_NODE}:35357/v3"
 export OS_USERNAME=admin
 export OS_PASSWORD=password
 export OS_TENANT_NAME=admin