diff --git a/lib/Mojolicious/Plugin/TtRenderer/Engine.pm b/lib/Mojolicious/Plugin/TtRenderer/Engine.pm
index 74224fd..a18489f 100644
--- a/lib/Mojolicious/Plugin/TtRenderer/Engine.pm
+++ b/lib/Mojolicious/Plugin/TtRenderer/Engine.pm
@@ -47,7 +47,12 @@ sub _init {
     my %config = (
         INCLUDE_PATH => \@renderer_paths,
         COMPILE_EXT  => '.ttc',
-        COMPILE_DIR  => ($dir || abs_path(File::Spec->tmpdir)),
+        # TODO maybe this should be File::Spec->catdir(File::Spec->tmpdir, $<)
+        COMPILE_DIR  => ($dir || do {
+          my $dir = File::Spec->catdir(File::Spec->tmpdir, "ttr$<");
+          mkdir $dir;
+          $dir;
+        }),
         UNICODE      => 1,
         ENCODING     => 'utf-8',
         CACHE_SIZE   => 128,