diff --git a/queue_job/tests/test_runner_channels.py b/queue_job/tests/test_runner_channels.py
index b00dd2626..313e350bd 100644
--- a/queue_job/tests/test_runner_channels.py
+++ b/queue_job/tests/test_runner_channels.py
@@ -12,6 +12,7 @@
 @tagged("doctest")
 class TestDoctest(BaseCase):
     def test_doctest(self):
-        doctest.testmod(
+        results = doctest.testmod(
             channels, exclude_empty=True, optionflags=doctest.REPORT_ONLY_FIRST_FAILURE
         )
+        self.assertEqual(results.failed, 0, "doctest failed")
diff --git a/queue_job/tests/test_runner_runner.py b/queue_job/tests/test_runner_runner.py
index 1adfa790d..04c3fc194 100644
--- a/queue_job/tests/test_runner_runner.py
+++ b/queue_job/tests/test_runner_runner.py
@@ -13,9 +13,10 @@
 @tagged("doctest")
 class TestDoctest(BaseCase):
     def test_doctest(self):
-        doctest.testmod(
+        results = doctest.testmod(
             runner, exclude_empty=True, optionflags=doctest.REPORT_ONLY_FIRST_FAILURE
         )
+        self.assertEqual(results.failed, 0, "doctest failed")
 
 
 @tagged("-at_install", "post_install")