diff --git a/pre_commit/commands/autoupdate.py b/pre_commit/commands/autoupdate.py
index a02efe08..0bff116c 100644
--- a/pre_commit/commands/autoupdate.py
+++ b/pre_commit/commands/autoupdate.py
@@ -11,10 +11,10 @@ from cfgv import remove_defaults
 import pre_commit.constants as C
 from pre_commit import output
 from pre_commit.clientlib import CONFIG_SCHEMA
+from pre_commit.clientlib import InvalidManifestError
 from pre_commit.clientlib import is_local_repo
 from pre_commit.clientlib import is_meta_repo
 from pre_commit.clientlib import load_config
-from pre_commit.clientlib import InvalidManifestError
 from pre_commit.commands.migrate_config import migrate_config
 from pre_commit.repository import Repository
 from pre_commit.util import CalledProcessError
@@ -54,14 +54,15 @@ def _update_repo(repo_config, store, tags_only):
     # Construct a new config with the head rev
     new_config = OrderedDict(repo_config)
     new_config['rev'] = rev
-    new_repo = Repository.create(new_config, store)
+
+    try:
+        new_hooks = Repository.create(new_config, store).manifest_hooks
+    except InvalidManifestError as e:
+        raise RepositoryCannotBeUpdatedError(e.args[0])
 
     # See if any of our hooks were deleted with the new commits
     hooks = {hook['id'] for hook in repo_config['hooks']}
-    try:
-        hooks_missing = hooks - (hooks & set(new_repo.manifest_hooks))
-    except InvalidManifestError as e:
-        raise RepositoryCannotBeUpdatedError(e.args[0])
+    hooks_missing = hooks - set(new_hooks)
     if hooks_missing:
         raise RepositoryCannotBeUpdatedError(
             'Cannot update because the tip of master is missing these hooks:\n'