diff --git a/pytest_asyncio/plugin.py b/pytest_asyncio/plugin.py
index 39b9c698..3cdbeba2 100644
--- a/pytest_asyncio/plugin.py
+++ b/pytest_asyncio/plugin.py
@@ -170,6 +170,7 @@ def pytest_runtest_setup(item):
 def event_loop(request):
     """Create an instance of the default event loop for each test case."""
     loop = asyncio.get_event_loop_policy().new_event_loop()
+    loop.set_debug(True)
     yield loop
     loop.close()