diff --git a/gen_website b/gen_website
index e095187..1862584 100755
--- a/gen_website
+++ b/gen_website
@@ -6,8 +6,8 @@ use warnings;
 use Template;
 use File::Find::Rule;
 use File::Path qw(make_path);
-use File::Basename qw (fileparse);
-use File::Copy::Recursive qw(fcopy);
+use File::Basename qw (fileparse dirname);
+use File::Copy::Recursive qw(fcopy dirmove);
 use File::Temp qw (tempdir);
 
 my $out_dir = "out/";
@@ -27,14 +27,13 @@ my $file_rule = File::Find::Rule->file();
 my @files = File::Find::Rule->or( $git, $file_rule )
                             ->in('.');
 
+#create a tempdir
+my $tempdir = tempdir( CLEANUP => 0 );
+
 #initialize template toolkit
 
 my $template = Template->new;
 
-if (! -d $out_dir) {
-	make_path($out_dir) or die "Could not create outdir $out_dir: $!";
-}
-
 foreach my $file (@files) {
 	next if $file =~ /^$out_dir/;
 	next if $file =~ /$0$/;
@@ -44,12 +43,20 @@ foreach my $file (@files) {
 			|| die "Could not process file \"$file\": $!";
 
 		my ($name,$path,$suffix) = fileparse($file,qw (.tt2));
-        make_path("$out_dir/$path") unless -d "$out_dir/$path";
-		open (my $fh, '>', "$out_dir/$path/$name")
+        make_path("$tempdir/$path") unless -d "$tempdir/$path";
+		open (my $fh, '>', "$tempdir/$path/$name")
 			or die "Could not write to $file: $!";
 		print $fh $output;
 		close($fh);
 	} else {
-		fcopy ($file, "$out_dir/$file") or die "Could not copy $file to $out_dir/$file: $!";
+		fcopy ($file, "$tempdir/$file") or die "Could not copy $file to $tempdir/$file: $!";
 	}
 }
+
+$out_dir =~ s/\/$//;
+if (-d $out_dir) {
+    mv ($out_dir, dirname($out_dir) . ".bak")
+        or die "Could not move $out_dir to $out_dir.bak: $!";
+}
+dirmove ($tempdir, "$out_dir")
+    or die "Could not move $tempdir to $out_dir: $!";