diff --git a/pkgs/misc/vscode-extensions/rust-analyzer/default.nix b/pkgs/misc/vscode-extensions/rust-analyzer/default.nix
index 0136bf4e5b1b..143a74fe82dc 100644
--- a/pkgs/misc/vscode-extensions/rust-analyzer/default.nix
+++ b/pkgs/misc/vscode-extensions/rust-analyzer/default.nix
@@ -1,6 +1,11 @@
 # Update script: pkgs/development/tools/rust/rust-analyzer/update.sh
-{ lib, vscode-utils, jq, rust-analyzer, nodePackages
+{ lib
+, vscode-utils
+, jq
+, rust-analyzer
+, nodePackages
 , setDefaultServerPath ? true
+, moreutils
 }:
 
 let
@@ -24,19 +29,19 @@ let
     '';
   };
 
-in vscode-utils.buildVscodeExtension {
+in
+vscode-utils.buildVscodeExtension {
   inherit version vsix;
   name = "${pname}-${version}";
   src = "${vsix}/${pname}.zip";
   vscodeExtUniqueId = "${publisher}.${pname}";
 
-  nativeBuildInputs = lib.optional setDefaultServerPath jq;
+  nativeBuildInputs = lib.optionals setDefaultServerPath [ jq moreutils ];
 
   preInstall = lib.optionalString setDefaultServerPath ''
-    jq '.contributes.configuration.properties."rust-analyzer.serverPath".default = $s' \
+    jq '.contributes.configuration.properties."rust-analyzer.server.path".default = $s' \
       --arg s "${rust-analyzer}/bin/rust-analyzer" \
-      package.json >package.json.new
-    mv package.json.new package.json
+      package.json | sponge package.json
   '';
 
   meta = with lib; {