diff --git a/fixtures/update-engine/update/request.xml b/fixtures/update-engine/update/request.xml
index b5e4982..f413143 100644
--- a/fixtures/update-engine/update/request.xml
+++ b/fixtures/update-engine/update/request.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <request protocol="3.0" version="ChromeOSUpdateEngine-0.1.0.0" updaterversion="ChromeOSUpdateEngine-0.1.0.0" installsource="ondemandupdate" ismachine="1">
 <os version="Indy" platform="Chrome OS" sp="ForcedUpdate_x86_64"></os>
-<app appid="{87efface-864d-49a5-9bb3-4b050a7c227a}" bootid="{7D52A1CC-7066-40F0-91C7-7CB6A871BFDE}" version="ForcedUpdate" track="dev-channel" from_track="developer-build" lang="en-US" board="amd64-generic" hardware_class="" delta_okay="false" >
+<app appid="{87efface-864d-49a5-9bb3-4b050a7c227a}" bootid="{7D52A1CC-7066-40F0-91C7-7CB6A871BFDE}" previousbootid="{8BDE4C4D-9083-4D61-B41C-3253212C0C37}" oem="ec3000" version="ForcedUpdate" track="dev-channel" from_track="developer-build" lang="en-US" board="amd64-generic" hardware_class="" delta_okay="false" >
 <ping active="1" a="-1" r="-1"></ping>
 <updatecheck targetversionprefix=""></updatecheck>
 <event eventtype="3" eventresult="2" previousversion=""></event>
diff --git a/omaha/omaha.go b/omaha/omaha.go
index a66af8a..5bf8091 100644
--- a/omaha/omaha.go
+++ b/omaha/omaha.go
@@ -80,11 +80,13 @@ type App struct {
 	Status      string       `xml:"status,attr,omitempty"`
 
 	// update engine extensions
-	Track       string       `xml:"track,attr,omitempty"`
-	FromTrack   string       `xml:"from_track,attr,omitempty"`
+	Track     string `xml:"track,attr,omitempty"`
+	FromTrack string `xml:"from_track,attr,omitempty"`
 
 	// coreos update engine extensions
-	BootId       string       `xml:"bootid,attr,omitempty"`
+	BootId         string `xml:"bootid,attr,omitempty"`
+	PreviousBootId string `xml:"previousbootid,attr,omitempty"`
+	Oem            string `xml:"oem,attr,omitempty"`
 }
 
 func NewApp(id string) *App {
diff --git a/omaha/omaha_test.go b/omaha/omaha_test.go
index 287aeab..2cecac8 100644
--- a/omaha/omaha_test.go
+++ b/omaha/omaha_test.go
@@ -32,6 +32,14 @@ func TestOmahaRequestUpdateCheck(t *testing.T) {
 		t.Error("Expected a Boot Id")
 	}
 
+	if v.Apps[0].PreviousBootId != "{8BDE4C4D-9083-4D61-B41C-3253212C0C37}" {
+		t.Error("Expected a Previous Boot Id")
+	}
+
+	if v.Apps[0].Oem != "ec3000" {
+		t.Error("Expected an OEM")
+	}
+
 	if v.Apps[0].UpdateCheck == nil {
 		t.Error("Expected an UpdateCheck")
 	}