diff --git a/pkgs/by-name/oc/oculante/package.nix b/pkgs/by-name/oc/oculante/package.nix
index 1d13a79da25f..948288be260a 100644
--- a/pkgs/by-name/oc/oculante/package.nix
+++ b/pkgs/by-name/oc/oculante/package.nix
@@ -34,7 +34,7 @@ rustPlatform.buildRustPackage rec {
 
   cargoHash = "sha256-Bn2HxmFiqOeb3oUnUL/K0SahcFWRlY9RrbGU4orQz+Y=";
 
-  SHADERC_LIB_DIR = "${lib.getLib shaderc}/lib";
+  env.SHADERC_LIB_DIR = "${lib.getLib shaderc}/lib";
 
   nativeBuildInputs = [
     cmake