diff --git a/autotests/testWPA2-ext-key-id/connection_test.py b/autotests/testWPA2-ext-key-id/connection_test.py
index afd48149..d77a216b 100644
--- a/autotests/testWPA2-ext-key-id/connection_test.py
+++ b/autotests/testWPA2-ext-key-id/connection_test.py
@@ -50,6 +50,8 @@ class Test(unittest.TestCase):
             testutil.test_iface_operstate()
             testutil.test_ifaces_connected()
 
+            wd.wait(0.5)
+
         device.disconnect()
 
         condition = 'not obj.connected'