diff --git a/tests/run_make_tests.pl b/tests/run_make_tests.pl
index a74417ac..a8440941 100644
--- a/tests/run_make_tests.pl
+++ b/tests/run_make_tests.pl
@@ -64,6 +64,9 @@ if ($^O eq 'VMS')
   $CMD_rmfile = 'delete_file -no_ask';
 }
 
+use FindBin;
+use lib "$FindBin::Bin";
+
 require "test_driver.pl";
 require "config-flags.pm";