diff --git a/pkgs/by-name/ja/jay/package.nix b/pkgs/by-name/ja/jay/package.nix
index 3db6811643d9..2c6352051e79 100644
--- a/pkgs/by-name/ja/jay/package.nix
+++ b/pkgs/by-name/ja/jay/package.nix
@@ -28,7 +28,7 @@ rustPlatform.buildRustPackage (finalAttrs: {
 
   cargoHash = "sha256-T7053eAH3IqkAxNZpYHdC6Z7JZtArrOqGMjoIccjemI=";
 
-  SHADERC_LIB_DIR = "${lib.getLib shaderc}/lib";
+  env.SHADERC_LIB_DIR = "${lib.getLib shaderc}/lib";
 
   nativeBuildInputs = [
     autoPatchelfHook