diff --git a/services/channel-scripts/default.nix b/services/channel-scripts/default.nix
index 15550ab..a12ad84 100644
--- a/services/channel-scripts/default.nix
+++ b/services/channel-scripts/default.nix
@@ -1,6 +1,7 @@
 { lib, config, pkgs, ... }:
+# FIXME(raito): I'm really really really not happy with this design of NixOS module, clean up all of this someday.
 let
-  inherit (lib) mkEnableOption mkOption types mkIf mapAttrsToList mkPackageOption concatStringsSep;
+  inherit (lib) mkEnableOption mkOption types mkIf mapAttrsToList mkPackageOption concatStringsSep mkMerge;
   cfg = config.bagel.nixpkgs.channel-scripts;
   toml = pkgs.formats.toml { };
   configFile = toml.generate "forkos.toml" cfg.settings;
@@ -135,15 +136,17 @@ in
 
     extraEnvironment = mkOption {
       type = types.listOf types.str;
-      default = [
-        "RUST_LOG=info"
-      ];
     };
   };
 
   config = mkIf cfg.enable {
-    bagel.nixpkgs.channel-scripts.extraEnvironment = mkIf cfg.otlp.enable [
-      ''OTEL_EXPORTER_OTLP_TRACES_ENDPOINT="https://tempo.forkos.org/v1/traces"''
+    bagel.nixpkgs.channel-scripts.extraEnvironment = mkMerge [
+      ([
+        "RUST_LOG=info"
+      ])
+      (mkIf cfg.otlp.enable [
+        ''OTEL_EXPORTER_OTLP_TRACES_ENDPOINT="https://tempo.forkos.org/v1/traces"''
+      ])
     ];
     bagel.nixpkgs.channel-scripts.settings = {
       hydra_uri = cfg.hydraUrl;