From 5fc3acbb24cb797776fcf7034dde90a6144ed84c Mon Sep 17 00:00:00 2001
From: Asheem Mamoowala <asheem.mamoowala@mapbox.com>
Date: Tue, 12 Mar 2019 12:48:16 -0700
Subject: [PATCH] Update handling of default options in Map#setStyle

---
 src/ui/map.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ui/map.js b/src/ui/map.js
index c4c872d041c..c2c6697f3f7 100755
--- a/src/ui/map.js
+++ b/src/ui/map.js
@@ -963,7 +963,7 @@ class Map extends Camera {
     setStyle(style: StyleSpecification | string | null, options?: {diff?: boolean} & StyleOptions) {
         options = extend({}, { localIdeographFontFamily: defaultOptions.localIdeographFontFamily}, options);
 
-        if ((!options || (options.diff !== false && !options.localIdeographFontFamily)) && this.style && style) {
+        if ((options.diff !== false && !options.localIdeographFontFamily) && this.style && style) {
             this._diffStyle(style, options);
             return this;
         } else {