diff --git a/lib/Test/Class/Moose/Executor/Parallel.pm b/lib/Test/Class/Moose/Executor/Parallel.pm
index b5c5fce..61ef902 100755
--- a/lib/Test/Class/Moose/Executor/Parallel.pm
+++ b/lib/Test/Class/Moose/Executor/Parallel.pm
@@ -96,8 +96,9 @@ sub _test_class_is_parallelizable {
             $_,
             'noparallel'
         );
-    }
-    $self->_test_methods_for($test_class);
+      }
+
+      $self->_test_methods_for($test_class);
 }
 
 sub _run_test_classes_in_parallel {
@@ -116,6 +117,8 @@ sub _run_test_classes_in_parallel {
         }
 
         # This chunk of code only runs in child processes
+        my $child_pid = $$;
+
         my $class_report;
         $subtest->attach($id);
         $subtest->run(
@@ -123,8 +126,19 @@ sub _run_test_classes_in_parallel {
                 $class_report = $self->run_test_class($test_class);
             }
         );
-        $subtest->detach;
-        $self->_fork_manager->finish( 0, \$class_report );
+
+        # if the test class also creates forks, and one of those forks dies,
+        # the dead child ends up running here, and causes subsequent problems
+        # with Test2::AsyncSubtest::detach, and can potentially cascade into
+        # all kinds of other problems during global destruction. i have no
+        # idea how a grandchild death can end up running this code...
+        if ( $$ == $child_pid ) {
+            $subtest->detach;
+            $self->_fork_manager->finish( 0, \$class_report );
+        }
+        else {
+            warn "Ignoring unknown child pid $$, did a grandchild pid die?";
+        }
     }
 
     $self->_fork_manager->wait_all_children;