diff --git a/test/run_tests.pl b/test/run_tests.pl
index 4ee6a036a9769ccf09d1373b1b8eb6f123e2c0a0..9e2ea8438b182554a9e420ffff8a876e6a401654 100644
--- a/test/run_tests.pl
+++ b/test/run_tests.pl
@@ -314,10 +314,12 @@ my $harness = $package->new(\%tapargs);
 my $ret =
     $harness->runtests(map { [ abs2rel($_, rel2abs(curdir())), basename($_) ] }
                        @preps);
-die if $ret->has_errors;
-$ret =
-    $harness->runtests(map { [ abs2rel($_, rel2abs(curdir())), basename($_) ] }
-                       sort { reorder($a) cmp reorder($b) } keys %tests);
+
+if (ref($ret) ne "TAP::Parser::Aggregator" || !$ret->has_errors) {
+    $ret =
+        $harness->runtests(map { [ abs2rel($_, rel2abs(curdir())), basename($_) ] }
+                           sort { reorder($a) cmp reorder($b) } keys %tests);
+}
 
 # If this is a TAP::Parser::Aggregator, $ret->has_errors is the count of
 # tests that failed.  We don't bother with that exact number, just exit