diff --git a/test_regress/t/t_flag_structs_packed.py b/test_regress/t/t_flag_structs_packed.py
index 0c7729bf4..3db2135f9 100755
--- a/test_regress/t/t_flag_structs_packed.py
+++ b/test_regress/t/t_flag_structs_packed.py
@@ -11,7 +11,8 @@ import vltest_bootstrap
 
 test.scenarios('linter')
 
-test.compile(verilator_flags2=['-Wno-fatal', '--structs-packed'], expect_filename=test.golden_filename)
+test.compile(verilator_flags2=['-Wno-fatal', '--structs-packed'],
+             expect_filename=test.golden_filename)
 
 test.execute()