diff --git a/pkgs/co2_exporter/default.nix b/pkgs/co2_exporter/default.nix
index fb703bd..ddbace1 100644
--- a/pkgs/co2_exporter/default.nix
+++ b/pkgs/co2_exporter/default.nix
@@ -1,4 +1,4 @@
-# SPDX-FileCopyrightText: 2022-2023 Simon Bruder <simon@sbruder.de>
+# SPDX-FileCopyrightText: 2022-2024 Simon Bruder <simon@sbruder.de>
 #
 # SPDX-License-Identifier: AGPL-3.0-or-later
 
@@ -19,7 +19,7 @@ buildGoModule rec {
 
   vendorHash = "sha256-CMo6FBzw0/OMKEX12oNqhbF/0dRRFR6W3VRp+EU6Q68=";
 
-  oCheck = false; # no tests
+  doCheck = false; # no tests
 
   meta = with lib; {
     license = licenses.mit;