From 224059bdee419bb96e9d7747a0a685265c892605 Mon Sep 17 00:00:00 2001
From: Martin Raifer <tyr.asd@gmail.com>
Date: Fri, 24 Feb 2017 13:45:02 +0100
Subject: [PATCH] fix typo: iterate over imagery blacklist

see https://github.com/openstreetmap/iD/issues/3858#issuecomment-282130145
---
 modules/renderer/background.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/renderer/background.js b/modules/renderer/background.js
index 0a37d6511..063f1d6b0 100644
--- a/modules/renderer/background.js
+++ b/modules/renderer/background.js
@@ -135,7 +135,7 @@ export function rendererBackground(context) {
             tested = 0,
             regex, i;
 
-        for (i = 0; i < blacklists; i++) {
+        for (i = 0; i < blacklists.length; i++) {
             try {
                 regex = new RegExp(blacklists[i]);
                 fail = regex.test(d.template);