diff --git a/packer_templates/http/ubuntu/user-data b/packer_templates/http/ubuntu/user-data
index f1b517f1b..c8d22760d 100644
--- a/packer_templates/http/ubuntu/user-data
+++ b/packer_templates/http/ubuntu/user-data
@@ -15,7 +15,7 @@ autoinstall:
   late-commands:
     - |
       if [ -f /target/etc/netplan/00-installer-config.yaml ]; then
-        'sed -i "s/dhcp4: true/&\n      dhcp-identifier: mac/" /target/etc/netplan/00-installer-config.yaml'
+        sed -i "s/dhcp4: true/&\n      dhcp-identifier: mac/" /target/etc/netplan/00-installer-config.yaml
       fi
     - echo 'vagrant ALL=(ALL) NOPASSWD:ALL' > /target/etc/sudoers.d/vagrant
     # Enable hyper-v daemons only if using hyper-v virtualization