diff --git a/nixos/modules/installer/tools/auto-upgrade.nix b/nixos/modules/installer/tools/auto-upgrade.nix
index 79ccb5c3d18a..b21b80c666aa 100644
--- a/nixos/modules/installer/tools/auto-upgrade.nix
+++ b/nixos/modules/installer/tools/auto-upgrade.nix
@@ -78,7 +78,7 @@ let cfg = config.system.autoUpgrade; in
           HOME = "/root";
         };
 
-      path = [ pkgs.gnutar pkgs.xz.bin config.nix.package ];
+      path = [ pkgs.gnutar pkgs.xz.bin config.nix.package.out ];
 
       script = ''
         ${config.system.build.nixos-rebuild}/bin/nixos-rebuild switch ${toString cfg.flags}
diff --git a/nixos/modules/installer/tools/nixos-rebuild.sh b/nixos/modules/installer/tools/nixos-rebuild.sh
index cd30958d9e8a..5ecdcdb3cdb5 100644
--- a/nixos/modules/installer/tools/nixos-rebuild.sh
+++ b/nixos/modules/installer/tools/nixos-rebuild.sh
@@ -271,7 +271,7 @@ remotePATH=
 if [ -n "$buildNix" ]; then
     echo "building Nix..." >&2
     nixDrv=
-    if ! nixDrv="$(nix-instantiate '<nixpkgs/nixos>' --add-root $tmpDir/nix.drv --indirect -A config.nix.package "${extraBuildFlags[@]}")"; then
+    if ! nixDrv="$(nix-instantiate '<nixpkgs/nixos>' --add-root $tmpDir/nix.drv --indirect -A config.nix.package.out "${extraBuildFlags[@]}")"; then
         if ! nixDrv="$(nix-instantiate '<nixpkgs/nixos>' --add-root $tmpDir/nix.drv --indirect -A nixFallback "${extraBuildFlags[@]}")"; then
             if ! nixDrv="$(nix-instantiate '<nixpkgs>' --add-root $tmpDir/nix.drv --indirect -A nix "${extraBuildFlags[@]}")"; then
                 nixStorePath="$(prebuiltNix "$(uname -m)")"
diff --git a/nixos/modules/installer/tools/tools.nix b/nixos/modules/installer/tools/tools.nix
index 9ac3b7a5b16f..b8fd9deaf1e4 100644
--- a/nixos/modules/installer/tools/tools.nix
+++ b/nixos/modules/installer/tools/tools.nix
@@ -22,17 +22,17 @@ let
     src = ./nixos-install.sh;
 
     inherit (pkgs) perl pathsFromGraph;
-    nix = config.nix.package;
+    nix = config.nix.package.out;
 
     nixClosure = pkgs.runCommand "closure"
-      { exportReferencesGraph = ["refs" config.nix.package]; }
+      { exportReferencesGraph = ["refs" config.nix.package.out]; }
       "cp refs $out";
   };
 
   nixos-rebuild = makeProg {
     name = "nixos-rebuild";
     src = ./nixos-rebuild.sh;
-    nix = config.nix.package;
+    nix = config.nix.package.out;
   };
 
   nixos-generate-config = makeProg {
diff --git a/nixos/modules/services/misc/nix-daemon.nix b/nixos/modules/services/misc/nix-daemon.nix
index 5400588d0274..d71837737ab3 100644
--- a/nixos/modules/services/misc/nix-daemon.nix
+++ b/nixos/modules/services/misc/nix-daemon.nix
@@ -6,7 +6,7 @@ let
 
   cfg = config.nix;
 
-  nix = cfg.package;
+  nix = cfg.package.out;
 
   makeNixBuildUser = nr:
     { name = "nixbld${toString nr}";
diff --git a/nixos/modules/services/networking/nix-serve.nix b/nixos/modules/services/networking/nix-serve.nix
index 8f6881441cf7..3e865e3b76a8 100644
--- a/nixos/modules/services/networking/nix-serve.nix
+++ b/nixos/modules/services/networking/nix-serve.nix
@@ -50,7 +50,7 @@ in
       after = [ "network.target" ];
       wantedBy = [ "multi-user.target" ];
 
-      path = [ config.nix.package pkgs.bzip2.bin ];
+      path = [ config.nix.package.out pkgs.bzip2.bin ];
       environment.NIX_REMOTE = "daemon";
       environment.NIX_SECRET_KEY_FILE = cfg.secretKeyFile;
 
diff --git a/nixos/modules/system/boot/loader/gummiboot/gummiboot.nix b/nixos/modules/system/boot/loader/gummiboot/gummiboot.nix
index 6c201eb8212f..69ad2c6d44f4 100644
--- a/nixos/modules/system/boot/loader/gummiboot/gummiboot.nix
+++ b/nixos/modules/system/boot/loader/gummiboot/gummiboot.nix
@@ -14,7 +14,7 @@ let
 
     inherit (pkgs) python gummiboot;
 
-    nix = config.nix.package;
+    nix = config.nix.package.out;
 
     timeout = if cfg.timeout != null then cfg.timeout else "";