diff --git a/bitbake/lib/bb/build.py b/bitbake/lib/bb/build.py
index b6d23e6805..23b6ee455f 100644
--- a/bitbake/lib/bb/build.py
+++ b/bitbake/lib/bb/build.py
@@ -65,6 +65,8 @@ class TaskBase(event.Event):
         self.taskname = self._task
         self.logfile = logfile
         self.time = time.time()
+        self.pn = d.getVar("PN")
+        self.pv = d.getVar("PV")
         event.Event.__init__(self)
         self._message = "recipe %s: task %s: %s" % (d.getVar("PF"), t, self.getDisplayName())