diff --git a/stratisd_cert.py b/stratisd_cert.py
index 6ce83a2..cbd7ef2 100644
--- a/stratisd_cert.py
+++ b/stratisd_cert.py
@@ -864,7 +864,7 @@ def test_pool_set_fs_limit_too_low(self):
             StratisDbus.POOL_IFACE,
             "FsLimit",
             dbus.UInt64(0),
-            "org.freedesktop.zbus.Error",
+            "org.freedesktop.DBus.Error.Failed",
         )
 
     @skip(_skip_condition(1))