diff --git a/enzevalos_iphone/InboxViewController.swift b/enzevalos_iphone/InboxViewController.swift
index 743d76b4952b6f2cef2503b43cd7ffd6989240ce..302cd8ceee92007d31b8f6b52cd0eb07f4a337e1 100644
--- a/enzevalos_iphone/InboxViewController.swift
+++ b/enzevalos_iphone/InboxViewController.swift
@@ -41,9 +41,9 @@ class InboxViewController: UITableViewController, InboxCellDelegator {
     }
     
     // how many seconds should the app wait before processing search bar input
-    var searchDelay = 0.5
+    private let searchDelay = 0.5
     // holds the currently active search timer (if it exists) so it can be terminated if a new character is typed before the execution
-    var searchBarTimer: Timer?
+    private var searchBarTimer: Timer?
 
     @IBOutlet weak var lastUpdateButton: UIBarButtonItem!
     var lastUpdateLabel = UILabel(frame: CGRect.zero)