diff --git a/zuul/cmd/executor.py b/zuul/cmd/executor.py
index 70c80c5..979989d 100755
--- a/zuul/cmd/executor.py
+++ b/zuul/cmd/executor.py
@@ -108,6 +108,7 @@
         os.setgroups(groups)
         os.setgid(pw.pw_gid)
         os.setuid(pw.pw_uid)
+        os.chdir(pw.pw_dir)
         os.umask(0o022)
 
     def main(self, daemon=True):
diff --git a/zuul/driver/github/githubconnection.py b/zuul/driver/github/githubconnection.py
index 1186aca..c211164 100644
--- a/zuul/driver/github/githubconnection.py
+++ b/zuul/driver/github/githubconnection.py
@@ -135,7 +135,7 @@
     """Move events from GitHub into the scheduler"""
 
     log = logging.getLogger("zuul.GithubEventConnector")
-    delay = 3.0
+    delay = 10.0
 
     def __init__(self, connection):
         super(GithubEventConnector, self).__init__()
diff --git a/zuul/executor/server.py b/zuul/executor/server.py
index d72d1ee..2951043 100644
--- a/zuul/executor/server.py
+++ b/zuul/executor/server.py
@@ -1690,7 +1690,7 @@
 
     def unregister_work(self):
         self.accepting_work = False
-        self.executor_worker.unregisterFunction("executor:execute")
+        self.executor_worker.unRegisterFunction("executor:execute")
 
     def stop(self):
         self.log.debug("Stopping")