diff --git a/lib/WebGUI/Cache/CHI.pm b/lib/WebGUI/Cache/CHI.pm
index e6abe29e1..76cb65d87 100644
--- a/lib/WebGUI/Cache/CHI.pm
+++ b/lib/WebGUI/Cache/CHI.pm
@@ -2,6 +2,7 @@ package WebGUI::Cache::CHI;
 
 use strict;
 use base 'WebGUI::Cache';
+use File::Temp qw/tempdir/;
 use CHI;
 
 =head1 NAME
diff --git a/t/Cache/CHI.t b/t/Cache/CHI.t
index 3ab0110d4..1299df88c 100644
--- a/t/Cache/CHI.t
+++ b/t/Cache/CHI.t
@@ -34,6 +34,10 @@ plan tests => 3;        # Increment this number for each test you create
 # put your tests here
 
 use_ok( 'WebGUI::Cache::CHI' );
+WebGUI::Test->originalConfig('cacheType');
+WebGUI::Test->originalConfig('cache');
+$session->config->set('cacheType', 'WebGUI::Cache::CHI');
+$session->config->set('cache', { driver => 'FastMmap', });
 
 my $cache = WebGUI::Cache::CHI->new($session, "this", "that");
 my $testValue = "a rock that has no earthly business in that field";
@@ -43,5 +47,4 @@ is($cache->get, $testValue, "set/get works");
 $cache->delete;
 is($cache->get, undef, "delete works");
 
-
 #vim:ft=perl