diff --git a/acs.coffee b/acs.coffee
index a48ebcd..4381fc4 100644
--- a/acs.coffee
+++ b/acs.coffee
@@ -59,7 +59,7 @@ updateDevice = (currentRequest, actions, callback) ->
   updates = {}
   deletes = {}
   if actions.inform?
-    updates['_last_inform'] = now
+    updates['_lastInform'] = now
     updates['_lastBoot'] = now if '1 BOOT' in actions.inform
     updates['_lastBootstrap'] = now if '0 BOOTSTRAP' in actions.inform
 
diff --git a/config/parameters.json b/config/parameters.json
index 1710a36..83ee10b 100644
--- a/config/parameters.json
+++ b/config/parameters.json
@@ -1,5 +1,7 @@
 {
-  "_last_inform" : {"alias" : "summary.lastInform", "type" : "date"},
+  "_lastInform" : {"alias" : "summary.lastInform", "type" : "date"},
+  "_lastBoot" : {"alias" : "summary.lastBoot", "type" : "date"},
+  "_lastBootstrap" : {"alias" : "summary.lastBootstrap", "type" : "date"},
   "InternetGatewayDevice.DeviceInfo.SerialNumber" : {"alias" : "summary.serialNumber"},
   "InternetGatewayDevice.DeviceInfo.Manufacturer" : {"alias" : "summary.manufacturer"},
   "InternetGatewayDevice.DeviceInfo.ProductClass" : {"alias" : "summary.productClass"},