diff --git a/packages/agebd/src/agebd/pv.py b/packages/agebd/src/agebd/pv.py
index 46f3523..126b5fe 100644
--- a/packages/agebd/src/agebd/pv.py
+++ b/packages/agebd/src/agebd/pv.py
@@ -12,6 +12,9 @@ class PVLink:
     def __init__(self, pvname, **kwargs):
         self.link = self.connect(pvname, **kwargs)
 
+        self.value = np.nan
+        self.timestamp = time()
+
         # sleep(0.1)
         # print(self.pvname, self.link.connected)