diff --git a/src/_zkapauthorizer/api.py b/src/_zkapauthorizer/api.py
index d020b6cac5a4501f843be79f5e39b08b27c12d1e..f4bb2c21bfbbf1fcce7ca906538b1a802c677043 100644
--- a/src/_zkapauthorizer/api.py
+++ b/src/_zkapauthorizer/api.py
@@ -20,7 +20,10 @@ __all__ = [
     "ZKAPAuthorizer",
 ]
 
-from ._plugin import ZKAPAuthorizer
 from ._storage_client import ZKAPAuthorizerStorageClient
 from ._storage_server import LeaseRenewalRequired, ZKAPAuthorizerStorageServer
 from .storage_common import MorePassesRequired
+
+# This needs to be imported after the above, since it imports those things from here.
+# isort: split
+from ._plugin import ZKAPAuthorizer