diff --git a/bin/aclocal b/bin/aclocal
index 6b58b9b..ad251a7 100755
--- a/bin/aclocal
+++ b/bin/aclocal
@@ -23,8 +23,11 @@ use 5.006;
 use strict;
 use warnings FATAL => 'all';

+use Cwd qw(abs_path); use File::Basename;
+my $prefix;
 BEGIN
 {
+  $prefix = dirname(dirname(abs_path(__FILE__)));
   unshift (@INC, $prefix.'/share/automake-1.16')
     unless $ENV{AUTOMAKE_UNINSTALLED};
 }
diff --git a/bin/automake b/bin/automake
index ff1f453..e26e80c 100755
--- a/bin/automake
+++ b/bin/automake
@@ -26,8 +26,11 @@ use 5.006;
 use strict;
 use warnings FATAL => 'all';

+use Cwd qw(abs_path); use File::Basename;
+my $prefix;
 BEGIN
 {
+  $prefix = dirname(dirname(abs_path(__FILE__)));
   unshift (@INC, $prefix.'/share/automake-1.16')
     unless $ENV{AUTOMAKE_UNINSTALLED};

diff --git a/share/automake-1.16/Automake/Config.pm b/share/automake-1.16/Automake/Config.pm
index f0d78c9..35af767 100644
--- a/share/automake-1.16/Automake/Config.pm
+++ b/share/automake-1.16/Automake/Config.pm
@@ -21,6 +21,10 @@ use 5.006;
 use strict;
 use warnings FATAL => 'all';

+use Cwd qw(abs_path);
+use File::Basename;
+my $prefix = dirname(dirname(dirname(dirname(abs_path(__FILE__)))));
+
 use Exporter;

 our @ISA = qw (Exporter);