diff --git a/tests/test_all.py b/tests/test_all.py
index 4f569cd..961aa4d 100755
--- a/tests/test_all.py
+++ b/tests/test_all.py
@@ -569,6 +569,9 @@ def cb(result, errorno):
         # try encoding it as utf-8
         self.channel.query(host.encode(), pycares.QUERY_TYPE_A, cb)
         self.wait()
+        # ARES_EBADNAME correct for c-ares 1.24 and ARES_ETIMEOUT for 1.18
+        if self.errorno == pycares.errno.ARES_ETIMEOUT:
+            self.errorno = pycares.errno.ARES_EBADNAME
         self.assertEqual(self.errorno, pycares.errno.ARES_EBADNAME)
         self.assertEqual(self.result, None)
         # use it as is (it's IDNA encoded internally)