diff --git a/.drone.yml b/.drone.yml
index be3d758..5fde345 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -26,9 +26,9 @@ steps:
   - IP="$(./hcloud server ip "$SERVER_ID")"
   - until ping -c 1 "$IP"; do sleep 5; done
   - until ssh-keyscan "$IP" > /root/.ssh/known_hosts; do sleep 5; done
-  - scp install-arch.sh root@${IP}:/root/install-arch.sh
+  - scp install-arch.sh root@"$IP":/root/install-arch.sh
   - echo "$SSH_PUBKEY" > authorized_keys
-  - scp authorized_keys root@${IP}:/root/authorized_keys
+  - scp authorized_keys root@"$IP":/root/authorized_keys
   - ssh root@$IP /root/install-arch.sh
   - ./hcloud server reset $SERVER_ID
   - ./hcloud ssh-key delete drone