diff --git a/Makefile.PL b/Makefile.PL
index eac85eb..5c30c75 100644
--- a/Makefile.PL
+++ b/Makefile.PL
@@ -13,6 +13,7 @@ configure_requires 'CPAN' => 0; # for inc::Module::AutoInstall
 test_requires 'Test::More' => '0';
 if ( $] >= 5.007003 ) {
     requires 'Encode' => '1.98';
+    include 'Module::AutoInstall';
     feature 'Extended mappings by Japanese codepages',
       -default          => 0,
       'Encode::EUCJPASCII' => '0.02';
@@ -29,5 +30,6 @@ if ( $] >= 5.007003 ) {
 
 # Write out
 no_index directory => 't', 'inc';
+auto_install force => 0, do_once => 1;
 WriteAll;