diff --git a/nix/workbench/supervisor.nix b/nix/workbench/supervisor.nix
index 3d3ad1ebb2f..58685d2dda4 100644
--- a/nix/workbench/supervisor.nix
+++ b/nix/workbench/supervisor.nix
@@ -27,22 +27,19 @@ let
         pkgs.runCommand "workbench-profile-outputs-${profileNix.name}-supervisord" {}
           ''
           mkdir $out
-          cp ${supervisord.mkSupervisorConf profileNix} $out/supervisor.conf
+          cp ${mkSupervisorConf profileNix} $out/supervisor.conf
           '';
 
       ## Backend-specific Nix bits:
-      supervisord =
-        {
-          ## mkSupervisorConf :: Profile -> SupervisorConf
-          mkSupervisorConf =
-            profile:
-            pkgs.callPackage ./supervisor-conf.nix
-            { inherit (profile) node-services generator-service;
-              inherit
-                pkgs lib stateDir
-                basePort
-                extraSupervisorConfig;
-            };
+      ## mkSupervisorConf :: Profile -> SupervisorConf
+      mkSupervisorConf =
+        profile:
+        pkgs.callPackage ./supervisor-conf.nix
+        { inherit (profile) node-services generator-service;
+          inherit
+            pkgs lib stateDir
+            basePort
+            extraSupervisorConfig;
         };
     };