diff --git a/src/lib/Hydra/Controller/Admin.pm b/src/lib/Hydra/Controller/Admin.pm
index 493971bd..d0dc5e4d 100644
--- a/src/lib/Hydra/Controller/Admin.pm
+++ b/src/lib/Hydra/Controller/Admin.pm
@@ -10,7 +10,7 @@ use Data::Dump qw(dump);
 
 sub nixMachines {
     my ($c) = @_;
-    my $result = '';
+    my $result = "# GENERATED BY HYDRA\n";
 	
     foreach my $machine ($c->model("DB::BuildMachines")->all) {
     	if($machine->enabled) {