diff --git a/src/calibre/srv/tests/loop.py b/src/calibre/srv/tests/loop.py
index 6bdcfb2608..b0ca60e498 100644
--- a/src/calibre/srv/tests/loop.py
+++ b/src/calibre/srv/tests/loop.py
@@ -301,3 +301,8 @@ class LoopTest(BaseTest):
         self.assertIn('a testing error', tb)
         jm.start_job('simple test', 'calibre.srv.jobs', 'sleep_test', args=(1.0,))
         jm.shutdown(), jm.wait_for_shutdown(monotonic() + 1)
+
+
+def find_tests():
+    import unittest
+    return unittest.defaultTestLoader.loadTestsFromTestCase(LoopTest)