diff --git a/test_regress/t/t_flag_build_make.pl b/test_regress/t/t_flag_build_make.pl
index 400e3c51e..0084a0b55 100755
--- a/test_regress/t/t_flag_build_make.pl
+++ b/test_regress/t/t_flag_build_make.pl
@@ -17,7 +17,7 @@ compile(  # Don't call cmake nor gmake from driver.pl
     verilator_make_gmake => 0,
     verilator_flags2 => ['--exe --cc --build -j 2 --make gmake',
                          '../' . $Self->{main_filename},
-                         '-MAKEFLAGS --trace'],
+                         '-MAKEFLAGS -p --trace'],
     );
 
 execute(