diff --git a/test_regress/t/t_array_interface.pl b/test_regress/t/t_gen_for_interface.pl
similarity index 100%
rename from test_regress/t/t_array_interface.pl
rename to test_regress/t/t_gen_for_interface.pl
diff --git a/test_regress/t/t_gen_for2.v b/test_regress/t/t_gen_for_interface.v
similarity index 100%
rename from test_regress/t/t_gen_for2.v
rename to test_regress/t/t_gen_for_interface.v
diff --git a/test_regress/t/t_gen_for2.pl b/test_regress/t/t_interface_array2.pl
similarity index 100%
rename from test_regress/t/t_gen_for2.pl
rename to test_regress/t/t_interface_array2.pl
diff --git a/test_regress/t/t_array_interface.v b/test_regress/t/t_interface_array2.v
similarity index 100%
rename from test_regress/t/t_array_interface.v
rename to test_regress/t/t_interface_array2.v
diff --git a/test_regress/t/t_array_interface_noinl.pl b/test_regress/t/t_interface_array2_noinl.pl
similarity index 93%
rename from test_regress/t/t_array_interface_noinl.pl
rename to test_regress/t/t_interface_array2_noinl.pl
index 3b2379a98..ad389d0fb 100755
--- a/test_regress/t/t_array_interface_noinl.pl
+++ b/test_regress/t/t_interface_array2_noinl.pl
@@ -10,7 +10,7 @@ if (!$::Driver) { use FindBin; exec("$FindBin::Bin/bootstrap.pl", @ARGV, $0); di
 
 scenarios(simulator => 1);
 
-top_filename("t/t_array_interface.v");
+top_filename("t/t_interface_array2.v");
 
 compile(
     v_flags2 => ["-Oi"],