diff --git a/pkgs/applications/editors/vscode/extensions/b4dm4n.vscode-nixpkgs-fmt/default.nix b/pkgs/applications/editors/vscode/extensions/b4dm4n.vscode-nixpkgs-fmt/default.nix
new file mode 100644
index 000000000000..6edcaea67a7d
--- /dev/null
+++ b/pkgs/applications/editors/vscode/extensions/b4dm4n.vscode-nixpkgs-fmt/default.nix
@@ -0,0 +1,27 @@
+{
+  vscode-utils,
+  jq,
+  lib,
+  moreutils,
+  nixpkgs-fmt,
+}:
+
+vscode-utils.buildVscodeMarketplaceExtension {
+  mktplcRef = {
+    name = "nixpkgs-fmt";
+    publisher = "B4dM4n";
+    version = "0.0.1";
+    hash = "sha256-vz2kU36B1xkLci2QwLpl/SBEhfSWltIDJ1r7SorHcr8=";
+  };
+  nativeBuildInputs = [
+    jq
+    moreutils
+  ];
+  postInstall = ''
+    cd "$out/$installPrefix"
+    jq '.contributes.configuration.properties."nixpkgs-fmt.path".default = "${nixpkgs-fmt}/bin/nixpkgs-fmt"' package.json | sponge package.json
+  '';
+  meta = {
+    license = lib.licenses.mit;
+  };
+}
diff --git a/pkgs/applications/editors/vscode/extensions/default.nix b/pkgs/applications/editors/vscode/extensions/default.nix
index c78f1e520ffd..ac4c679cbb4d 100644
--- a/pkgs/applications/editors/vscode/extensions/default.nix
+++ b/pkgs/applications/editors/vscode/extensions/default.nix
@@ -9,7 +9,6 @@
 , jdk
 , llvmPackages
 , llvmPackages_14
-, nixpkgs-fmt
 , protobuf
 , jq
 , shellcheck
@@ -422,22 +421,7 @@ let
 
       azdavis.millet = callPackage ./azdavis.millet { };
 
-      b4dm4n.vscode-nixpkgs-fmt = buildVscodeMarketplaceExtension {
-        mktplcRef = {
-          name = "nixpkgs-fmt";
-          publisher = "B4dM4n";
-          version = "0.0.1";
-          hash = "sha256-vz2kU36B1xkLci2QwLpl/SBEhfSWltIDJ1r7SorHcr8=";
-        };
-        nativeBuildInputs = [ jq moreutils ];
-        postInstall = ''
-          cd "$out/$installPrefix"
-          jq '.contributes.configuration.properties."nixpkgs-fmt.path".default = "${nixpkgs-fmt}/bin/nixpkgs-fmt"' package.json | sponge package.json
-        '';
-        meta = {
-          license = lib.licenses.mit;
-        };
-      };
+      b4dm4n.vscode-nixpkgs-fmt = callPackage ./b4dm4n.vscode-nixpkgs-fmt { };
 
       baccata.scaladex-search = buildVscodeMarketplaceExtension {
         mktplcRef = {