diff --git a/gunicorn/arbiter.py b/gunicorn/arbiter.py
index 3109b7654..03508872f 100644
--- a/gunicorn/arbiter.py
+++ b/gunicorn/arbiter.py
@@ -548,14 +548,15 @@ def spawn_worker(self):
         self.cfg.pre_fork(self, worker)
         pid = os.fork()
         if pid != 0:
+            worker.pid = pid
             self.WORKERS[pid] = worker
             return pid
 
         # Process Child
-        worker_pid = os.getpid()
+        worker.pid = os.getpid()
         try:
             util._setproctitle("worker [%s]" % self.proc_name)
-            self.log.info("Booting worker with pid: %s", worker_pid)
+            self.log.info("Booting worker with pid: %s", worker.pid)
             self.cfg.post_fork(self, worker)
             worker.init_process()
             sys.exit(0)
@@ -573,7 +574,7 @@ def spawn_worker(self):
                 sys.exit(self.WORKER_BOOT_ERROR)
             sys.exit(-1)
         finally:
-            self.log.info("Worker exiting (pid: %s)", worker_pid)
+            self.log.info("Worker exiting (pid: %s)", worker.pid)
             try:
                 worker.tmp.close()
                 self.cfg.worker_exit(self, worker)
diff --git a/gunicorn/workers/base.py b/gunicorn/workers/base.py
index fd259461a..94e7c5674 100644
--- a/gunicorn/workers/base.py
+++ b/gunicorn/workers/base.py
@@ -38,6 +38,7 @@ def __init__(self, age, ppid, sockets, app, timeout, cfg, log):
         changes you'll want to do that in ``self.init_process()``.
         """
         self.age = age
+        self.pid = "[booting]"
         self.ppid = ppid
         self.sockets = sockets
         self.app = app
@@ -57,10 +58,6 @@ def __init__(self, age, ppid, sockets, app, timeout, cfg, log):
     def __str__(self):
         return "<Worker %s>" % self.pid
 
-    @property
-    def pid(self):
-        return os.getpid()
-
     def notify(self):
         """\
         Your worker subclass must arrange to have this method called