diff --git a/tests/qemu-iotests/iotests.py b/tests/qemu-iotests/iotests.py
index 2a08fea3c9..8b760405ee 100644
--- a/tests/qemu-iotests/iotests.py
+++ b/tests/qemu-iotests/iotests.py
@@ -345,8 +345,9 @@ def filter_qmp(qmsg, filter_fn):
     return qmsg
 
 def filter_testfiles(msg):
-    prefix = os.path.join(test_dir, "%s-" % (os.getpid()))
-    return msg.replace(prefix, 'TEST_DIR/PID-')
+    pref1 = os.path.join(test_dir, "%s-" % (os.getpid()))
+    pref2 = os.path.join(sock_dir, "%s-" % (os.getpid()))
+    return msg.replace(pref1, 'TEST_DIR/PID-').replace(pref2, 'SOCK_DIR/PID-')
 
 def filter_qmp_testfiles(qmsg):
     def _filter(_key, value):