diff --git a/omaha/codes.go b/omaha/codes.go
index 822f4b1..775b95b 100644
--- a/omaha/codes.go
+++ b/omaha/codes.go
@@ -160,7 +160,7 @@ const (
 
 // Make AppStatus easy to use as an error
 func (a AppStatus) Error() string {
-	return string(a)
+	return "omaha: app status " + string(a)
 }
 
 type UpdateStatus string
@@ -177,5 +177,5 @@ const (
 
 // Make UpdateStatus easy to use as an error
 func (u UpdateStatus) Error() string {
-	return string(u)
+	return "omaha: update status " + string(u)
 }