diff --git a/nix/workbench/profile.nix b/nix/workbench/profile.nix
index fd923f312ea..cb30aee0dae 100644
--- a/nix/workbench/profile.nix
+++ b/nix/workbench/profile.nix
@@ -39,13 +39,12 @@ pkgs.runCommand "workbench-profile-output-${profileNix.name}"
   }
   ''
   mkdir $out
-  cp    ${profileNix.JSON}         $out/profile.json
-  cp    ${backendProfile}/*        $out
-  cp    $nodeServicesPath          $out/node-services.json
-  cp    $generatorServicePath      $out/generator-service.json
-  cp    $tracerServicePath         $out/tracer-service.json
-
-  wb profile node-specs $out/profile.json > $out/node-specs.json
+  cp    ${profileNix.JSON}            $out/profile.json
+  cp    ${profileNix.node-specs.JSON} $out/node-specs.json
+  cp    ${backendProfile}/*           $out
+  cp    $nodeServicesPath             $out/node-services.json
+  cp    $generatorServicePath         $out/generator-service.json
+  cp    $tracerServicePath            $out/tracer-service.json
   ''
 // { inherit (profileNix) name;
      inherit workbench;