diff --git a/pkgs/build-support/build-fhsenv-bubblewrap/buildFHSEnv.nix b/pkgs/build-support/build-fhsenv-bubblewrap/buildFHSEnv.nix
index dc8ee68e8783..2c2888e5a0da 100644
--- a/pkgs/build-support/build-fhsenv-bubblewrap/buildFHSEnv.nix
+++ b/pkgs/build-support/build-fhsenv-bubblewrap/buildFHSEnv.nix
@@ -174,7 +174,7 @@ let
 
   allPaths = paths ++ paths32;
 
-  rootfs-builder = pkgs.rustPlatform.buildRustPackage {
+  rootfs-builder = pkgs.buildPackages.rustPlatform.buildRustPackage {
     name = "fhs-rootfs-bulder";
     src = ./rootfs-builder;
     cargoLock.lockFile = ./rootfs-builder/Cargo.lock;