diff --git a/artiq/windows/run-test.nix b/artiq/windows/run-test.nix
index 3c58f52..770e7ee 100644
--- a/artiq/windows/run-test.nix
+++ b/artiq/windows/run-test.nix
@@ -48,6 +48,7 @@ stdenv.mkDerivation {
 
     echo "Wait for Windows to boot"
     sleep 10
+    export HOME=`mktemp -d`
     ${ssh "ver"}
     for pkg in ${artiqPkg}/noarch/artiq*.tar.bz2 ; do
       ${scp "\\$pkg" "artiq.tar.bz2"}