diff --git a/zuul/launcher/ansiblelaunchserver.py b/zuul/launcher/ansiblelaunchserver.py
index 21c2c67..722c728 100644
--- a/zuul/launcher/ansiblelaunchserver.py
+++ b/zuul/launcher/ansiblelaunchserver.py
@@ -1114,7 +1114,7 @@
         finally:
             watchdog.stop()
         self.log.debug("Ansible exit code: %s" % (ret,))
-        self.ansible_proc = None
+        self.ansible_job_proc = None
         return ret == 0
 
     def runAnsiblePostPlaybook(self, jobdir, success):