diff --git a/ShadowsocksX-NG/Base.lproj/PreferencesWindowController.xib b/ShadowsocksX-NG/Base.lproj/PreferencesWindowController.xib
index 536322e0..51139b58 100644
--- a/ShadowsocksX-NG/Base.lproj/PreferencesWindowController.xib
+++ b/ShadowsocksX-NG/Base.lproj/PreferencesWindowController.xib
@@ -176,7 +176,7 @@
                                         <color key="backgroundColor" name="controlColor" catalog="System" colorSpace="catalog"/>
                                     </textFieldCell>
                                 </textField>
-                                <button verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="6mK-sY-xoH">
+                                <button hidden="YES" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="6mK-sY-xoH">
                                     <rect key="frame" x="14" y="13" width="291" height="32"/>
                                     <buttonCell key="cell" type="push" title="Copy URL to Clipboard" bezelStyle="rounded" alignment="center" borderStyle="border" imageScaling="proportionallyDown" inset="2" id="t3T-Kd-5La">
                                         <behavior key="behavior" pushIn="YES" lightByBackground="YES" lightByGray="YES"/>