diff --git a/pkgs/applications/editors/vscode/extensions/visualjj.visualjj/default.nix b/pkgs/applications/editors/vscode/extensions/visualjj.visualjj/default.nix
index 1951f191bd20..00aaa8b46c06 100644
--- a/pkgs/applications/editors/vscode/extensions/visualjj.visualjj/default.nix
+++ b/pkgs/applications/editors/vscode/extensions/visualjj.visualjj/default.nix
@@ -37,6 +37,9 @@ vscode-utils.buildVscodeMarketplaceExtension {
     // sources.${stdenvNoCC.hostPlatform.system}
       or (throw "Unsupported system ${stdenvNoCC.hostPlatform.system}");
 
+  __structuredAttrs = true;
+  strictDeps = true;
+
   nativeBuildInputs = lib.optionals stdenv.hostPlatform.isLinux [
     autoPatchelfHook
   ];