diff --git a/t/regression/291-async-subtest-done-testing.t b/t/regression/291-async-subtest-done-testing.t
index 3f1cc466..3aabb09e 100644
--- a/t/regression/291-async-subtest-done-testing.t
+++ b/t/regression/291-async-subtest-done-testing.t
@@ -1,4 +1,11 @@
 use Test2::V0;
+
+BEGIN {
+    require Config;
+    skip_all('no fork')
+        unless ($Config::Config{d_fork} or $Config::Config{d_pseudofork});
+}
+
 use Test2::Tools::AsyncSubtest qw/fork_subtest/;
 
 my $st = fork_subtest foo => sub {