From 5e8e0700dbe1e933620f256443e7d18d258d7019 Mon Sep 17 00:00:00 2001
From: Cash Costello <cash.costello@gmail.com>
Date: Sat, 8 Oct 2011 18:51:49 -0400
Subject: need to check if something exists before checking its type

---
 engine/lib/elgglib.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'engine/lib/elgglib.php')

diff --git a/engine/lib/elgglib.php b/engine/lib/elgglib.php
index 0d1d291f0..1469067ca 100644
--- a/engine/lib/elgglib.php
+++ b/engine/lib/elgglib.php
@@ -424,7 +424,7 @@ function elgg_bootstrap_externals_data_structure($type) {
 		$CONFIG->externals = array();
 	}
 
-	if (!$CONFIG->externals[$type] instanceof ElggPriorityList) {
+	if (!isset($CONFIG->externals[$type]) || !$CONFIG->externals[$type] instanceof ElggPriorityList) {
 		$CONFIG->externals[$type] = new ElggPriorityList();
 	}
 
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