diff --git a/internal/config/config.go b/internal/config/config.go
index a084814..87b5dfe 100644
--- a/internal/config/config.go
+++ b/internal/config/config.go
@@ -14,6 +14,7 @@ type Config = struct {
 	DryRun                  bool   `default:"false" env:"WOODPECKER_AUTOSCALER_DRY_RUN"`
 	WoodpeckerLabelSelector string `default:"uploadfilter24.eu/instance-role=Woodpecker" env:"WOODPECKER_AUTOSCALER_WOODPECKER_LABEL_SELECTOR"`
 	WoodpeckerInstance      string `default:"" env:"WOODPECKER_AUTOSCALER_WOODPECKER_INSTANCE"`
+	WoodpeckerGrpc          string `default:"" env:"WOODPECKER_AUTOSCALER_WOODPECKER_GRPC"`
 	WoodpeckerAgentSecret   string `default:"" env:"WOODPECKER_AUTOSCALER_WOODPECKER_AGENT_SECRET"`
 	WoodpeckerApiToken      string `default:"" env:"WOODPECKER_AUTOSCALER_WOODPECKER_API_TOKEN"`
 	HcloudToken             string `default:"" env:"WOODPECKER_AUTOSCALER_HCLOUD_TOKEN"`
diff --git a/internal/hetzner/hetzneragent.go b/internal/hetzner/hetzneragent.go
index 6881480..2fdf9eb 100644
--- a/internal/hetzner/hetzneragent.go
+++ b/internal/hetzner/hetzneragent.go
@@ -30,7 +30,7 @@ write_files:
           - /var/run/docker.sock:/var/run/docker.sock
         environment:
 		{{- range $key, $val := .EnvConfig }}
-			- {{ $key }}: {{ $val }}
+          - {{ $key }}="{{ $val }}"
 	  	{{- end }}
   path: /root/docker-compose.yml
 runcmd:
@@ -44,7 +44,8 @@ type UserDataConfig struct {
 
 func generateConfig(cfg *config.Config, name string) (string, error) {
 	envConfig := map[string]string{}
-	envConfig["WOODPECKER_SERVER"] = cfg.WoodpeckerInstance
+	envConfig["WOODPECKER_SERVER"] = cfg.WoodpeckerGrpc
+	envConfig["WOODPECKER_GRPC_SECURE"] = "true" // TODO: should probably made configurable
 	envConfig["WOODPECKER_AGENT_SECRET"] = cfg.WoodpeckerAgentSecret
 	envConfig["WOODPECKER_FILTER_LABELS"] = cfg.WoodpeckerLabelSelector
 	envConfig["WOODPECKER_HOSTNAME"] = name