1 files changed, 2 insertions, 2 deletions
diff --git a/pkgs/build-support/build-fhs-userenv/env.nix b/pkgs/build-support/build-fhs-userenv/env.nix
index 09457caecb8..fbc50c2dc25 100644
--- a/pkgs/build-support/build-fhs-userenv/env.nix
+++ b/pkgs/build-support/build-fhs-userenv/env.nix
@@ -1,4 +1,4 @@
-{ stdenv, buildEnv, writeText, pkgs, pkgsi686Linux }:
+{ stdenv, lib, buildEnv, writeText, pkgs, pkgsi686Linux }:
 
 { name
 , profile ? ""
@@ -237,7 +237,7 @@ in stdenv.mkDerivation {
     cd $out
     ${extraBuildCommands}
     cd $out
-    ${if isMultiBuild then extraBuildCommandsMulti else ""}
+    ${lib.optionalString isMultiBuild extraBuildCommandsMulti}
   '';
   preferLocalBuild = true;
   allowSubstitutes = false;