diff --git a/tools/runners/test262-harness.py b/tools/runners/test262-harness.py
index a5ce19a677..f834c46a78 100755
--- a/tools/runners/test262-harness.py
+++ b/tools/runners/test262-harness.py
@@ -434,6 +434,12 @@ def __init__(self, exit_code, stdout, stderr, case):
     def report_outcome(self, long_format):
         name = self.case.get_name()
         mode = self.case.get_mode()
+
+        if self.exit_code != 0 and self.exit_code != 1:
+            sys.stderr.write(u"===%s failed in %s with negative:%s===\n"
+                             % (name, mode, self.case.get_negative_type()))
+            self.write_output(sys.stderr)
+
         if self.has_unexpected_outcome():
             if self.case.is_negative():
                 print("=== %s passed in %s, but was expected to fail ===" % (name, mode))