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-rw-r--r--pkgs/os-specific/linux/kernel/manual-config.nix3
1 files changed, 1 insertions, 2 deletions
diff --git a/pkgs/os-specific/linux/kernel/manual-config.nix b/pkgs/os-specific/linux/kernel/manual-config.nix
index 4a623fda9be..6d1ad766d68 100644
--- a/pkgs/os-specific/linux/kernel/manual-config.nix
+++ b/pkgs/os-specific/linux/kernel/manual-config.nix
@@ -179,8 +179,7 @@ stdenv.mkDerivation ({
   configurePhase = ''
     runHook preConfigure
 
-    export buildRoot=$TMPDIR/kernel-buildroot
-    mkdir -p $buildRoot
+    export buildRoot=$(mktemp -d)
 
     echo "manual-config configurePhase buildRoot=$buildRoot pwd=$PWD"