diff --git a/installer/bin/cloudron-setup b/installer/bin/cloudron-setup
index 07b58f496..7b83f2fa0 100755
--- a/installer/bin/cloudron-setup
+++ b/installer/bin/cloudron-setup
@@ -43,7 +43,7 @@ cat > "${PROVISION_FILEPATH}" <<EOF
         "boxVersionsUrl": "${versionsUrl}",
         "fqdn": "${domain}",
         "provider": "${provider}",
-        "tls_config": {
+        "tlsConfig": {
             "provider": "${tlsProvider}"
         }
     }