diff --git a/lib/Bio/AutomatedAnnotation.pm b/lib/Bio/AutomatedAnnotation.pm
index 0b7f59b..2433cb5 100644
--- a/lib/Bio/AutomatedAnnotation.pm
+++ b/lib/Bio/AutomatedAnnotation.pm
@@ -22,6 +22,7 @@ Automated annotation of assemblies.
 use Moose;
 use File::Basename;
 use Cwd;
+use File::Temp;
 use Bio::AutomatedAnnotation::Prokka;
 
 has 'sample_name'       => ( is => 'ro', isa => 'Str', required => 1 );
@@ -36,7 +37,7 @@ has 'accession_number'  => ( is => 'ro', isa => 'Maybe[Str]' );
 
 has '_annotation_pipeline_class' =>
   ( is => 'ro', isa => 'Str', lazy => 1, builder => '_build__annotation_pipeline_class' );
-has '_temp_directory_obj'  => ( is => 'ro', isa => 'Str', lazy => 1, builder => '_build__temp_directory_obj' );
+has '_temp_directory_obj'  => ( is => 'ro', isa => 'File::Temp::Dir', lazy => 1, builder => '_build__temp_directory_obj' );
 has '_temp_directory_name' => ( is => 'ro', isa => 'Str', lazy => 1, builder => '_build__temp_directory_name' );
 
 sub _build__temp_directory_obj {
diff --git a/t/Bio/AutomatedAnnotation.t b/t/Bio/AutomatedAnnotation.t
index ee61385..86fa22a 100644
--- a/t/Bio/AutomatedAnnotation.t
+++ b/t/Bio/AutomatedAnnotation.t
@@ -30,6 +30,7 @@ ok( $obj = Bio::AutomatedAnnotation->new(
  ), 'initialise obj an accession number');
 
 is($obj->_contig_uniq_id,'Accession456', 'Accession should be used if its provided' );
+ok($obj->_temp_directory_name,'Get a temp directory');
 
 
 done_testing();
\ No newline at end of file