diff --git a/pkgs/by-name/de/devenv/package.nix b/pkgs/by-name/de/devenv/package.nix
index 60e16f3c4c2a..68ebc9ff536e 100644
--- a/pkgs/by-name/de/devenv/package.nix
+++ b/pkgs/by-name/de/devenv/package.nix
@@ -43,6 +43,8 @@ in rustPlatform.buildRustPackage {
 
   cargoHash = "sha256-fCXAFVmKns8uglbzyCznoVFGCU+Veq0t1h8T7i1P5XQ=";
 
+  buildAndTestSubdir = "devenv";
+
   nativeBuildInputs = [ makeWrapper pkg-config ];
 
   buildInputs = [ openssl ] ++ lib.optionals stdenv.isDarwin [