diff --git a/test_regress/t/t_dist_attributes_bad.pl b/test_regress/t/t_dist_attributes_bad.pl
index d7c45df75..bd24d66eb 100755
--- a/test_regress/t/t_dist_attributes_bad.pl
+++ b/test_regress/t/t_dist_attributes_bad.pl
@@ -21,6 +21,7 @@ if ($ENV{VERILATOR_TEST_NO_ATTRIBUTES}) {
 
 sub gen_compile_commands_json {
     my $json = JSON::PP->new->utf8->pretty;
+    $json->canonical();  # Sort hash keys on ouptut
 
     my $root_dir = abs_path("..");
     my $srcs_dir = abs_path("./t/t_dist_attributes");