diff --git a/script/start.sh b/script/start.sh
index eb144ec..4e3bd8e 100644
--- a/script/start.sh
+++ b/script/start.sh
@@ -31,7 +31,8 @@
 #     "skip_ssl": false,
 #     "customer": "acme",
 #     "domain": "acme.com",
-#     "company_name": "Acme Corp"
+#     "company_name": "Acme Corp",
+#     "registration_token": "uuid-from-orchestrator"
 #   }
 #
 
@@ -134,6 +135,10 @@ parse_json() {
     COMPANY_NAME=$(echo "$json" | jq -r '.company_name // empty')
     DOCKER_USER=$(echo "$json" | jq -r '.docker_user // empty')
     DOCKER_TOKEN=$(echo "$json" | jq -r '.docker_token // empty')
+
+    # Registration token (can also be set via environment variable)
+    local json_token=$(echo "$json" | jq -r '.registration_token // empty')
+    [[ -n "$json_token" ]] && SYSADMIN_REGISTRATION_TOKEN="$json_token"
 }
 
 # =============================================================================