diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
index 3392fa5dab9..27f4da36f2d 100644
--- a/.github/CODEOWNERS
+++ b/.github/CODEOWNERS
@@ -31,6 +31,9 @@
 /pkgs/build-support/bintools-wrapper  @Ericson2314 @orivej
 /pkgs/build-support/setup-hooks       @Ericson2314
 
+# Nixpkgs build-support
+/pkgs/build-support/writers @lassulus @Profpatsch
+
 # NixOS Internals
 /nixos/default.nix          @nbp @infinisil
 /nixos/lib/from-env.nix     @nbp @infinisil
diff --git a/pkgs/build-support/writers/default.nix b/pkgs/build-support/writers/default.nix
index b90c6490e4a..af492d80db0 100644
--- a/pkgs/build-support/writers/default.nix
+++ b/pkgs/build-support/writers/default.nix
@@ -15,7 +15,7 @@ rec {
       name = last (builtins.split "/" nameOrPath);
     in
 
-    pkgs.runCommand name (if (types.str.check content) then {
+    pkgs.runCommandLocal name (if (types.str.check content) then {
       inherit content interpreter;
       passAsFile = [ "content" ];
     } else {
@@ -192,7 +192,7 @@ rec {
     {id="";for(i=idx;i<ctx;i++)id=sprintf("%s%s", id, "\t");printf "%s%s\n", id, $0}
    '';
 
-  writeNginxConfig = name: text: pkgs.runCommand name {
+  writeNginxConfig = name: text: pkgs.runCommandLocal name {
     inherit text;
     passAsFile = [ "text" ];
   } /* sh */ ''