diff --git a/nixos/tests/virtualbox.nix b/nixos/tests/virtualbox.nix
index a2d33fa328b0..2b5b5a180fca 100644
--- a/nixos/tests/virtualbox.nix
+++ b/nixos/tests/virtualbox.nix
@@ -413,6 +413,7 @@ in {
       shutdownVM_detectvirt;
       my $result = $machine->succeed("cat '$detectvirt_sharepath/result'");
       chomp $result;
+      destroyVM_detectvirt;
       die "systemd-detect-virt returned \"$result\" instead of \"oracle\""
         if $result ne "oracle";
     };