diff --git a/tests/qemu-iotests/tests/mirror-top-perms b/tests/qemu-iotests/tests/mirror-top-perms
index 6ac8d5efcc..a9f275cd7f 100755
--- a/tests/qemu-iotests/tests/mirror-top-perms
+++ b/tests/qemu-iotests/tests/mirror-top-perms
@@ -22,7 +22,6 @@
 import os
 
 from qemu.machine import machine
-from qemu.qmp import QMPConnectError
 
 import iotests
 from iotests import change_log_level, qemu_img
@@ -98,15 +97,13 @@ class TestMirrorTopPerms(iotests.QMPTestCase):
         self.vm_b.add_blockdev(f'file,node-name=drive0,filename={source}')
         self.vm_b.add_device('virtio-blk,drive=drive0,share-rw=on')
         try:
-            # Silence AQMP errors temporarily.
-            # TODO: Remove this and just allow the errors to be logged when
-            # AQMP fully replaces QMP.
+            # Silence AQMP logging errors temporarily.
             with change_log_level('qemu.aqmp'):
                 self.vm_b.launch()
                 print('ERROR: VM B launched successfully, '
                       'this should not have happened')
-        except (QMPConnectError, machine.VMLaunchFailure):
-            assert 'Is another process using the image' in self.vm_b.get_log()
+        except machine.VMLaunchFailure as exc:
+            assert 'Is another process using the image' in exc.output
 
         result = self.vm.qmp('block-job-cancel',
                              device='mirror')