diff --git a/roles/lxchost/vars/main/main.yml b/roles/lxchost/vars/main/main.yml
index 6b22600..89e4081 100644
--- a/roles/lxchost/vars/main/main.yml
+++ b/roles/lxchost/vars/main/main.yml
@@ -8,7 +8,7 @@ vaultpass: '{{ vault_vaultpass }}'
 apikey: '{{ vault_apikey }}'
 
 # SSH deploy keys, gzipped and base64-encoded
-privkey: {{ vault_privkey }}
+privkey: '{{ vault_privkey }}'
 pubkey: '{{ vault_pubkey }}'
 
 # SSH host hashes for Gitea, gzipped and base64-encoded