diff --git a/deploy/proxmoxve.sh b/deploy/proxmoxve.sh
index 18122b13..5f44a147 100644
--- a/deploy/proxmoxve.sh
+++ b/deploy/proxmoxve.sh
@@ -119,6 +119,6 @@ HEREDOC
   # Push certificates to server.
   export _HTTPS_INSECURE=1
   export _H1="Authorization: PVEAPIToken=${_proxmoxve_header_api_token}"
-  _post "$_json_payload" "$_target_url"
+  _post "$_json_payload" "$_target_url" "" POST "application/json"
 
 }