diff --git a/src/_pyawaitable/backport.c b/src/_pyawaitable/backport.c
index c1b2a89..f3a1545 100644
--- a/src/_pyawaitable/backport.c
+++ b/src/_pyawaitable/backport.c
@@ -41,7 +41,9 @@ PyErr_GetRaisedException(void)
 void
 PyErr_SetRaisedException(PyObject *err)
 {
-    PyErr_Restore((PyObject *) Py_TYPE(err), err, NULL);
+    // NOTE: We need to incref the type object here, even though
+    // this function steals a reference to err.
+    PyErr_Restore(Py_NewRef((PyObject *) Py_TYPE(err)), err, NULL);
 }
 
 #endif
diff --git a/tests/test_awaitable.py b/tests/test_awaitable.py
index 5f83518..ebbcac8 100644
--- a/tests/test_awaitable.py
+++ b/tests/test_awaitable.py
@@ -150,8 +150,6 @@ def cb_err(awaitable_inner: pyawaitable.PyAwaitable, err: Exception) -> int:
 
     assert called is True
 
-"""
-
 @limit_leaks(LEAK_LIMIT)
 @pytest.mark.asyncio
 async def test_await_cb_err_norestore():
@@ -444,4 +442,3 @@ async def coro(): ...
 
     add_await(awaitable, coro(), cb, awaitcallback_err(0))
     await awaitable
-"""