diff --git a/ShadowsocksX-NG/Utils.m b/ShadowsocksX-NG/Utils.m
index c7922a86..8ea2d3c1 100644
--- a/ShadowsocksX-NG/Utils.m
+++ b/ShadowsocksX-NG/Utils.m
@@ -253,7 +253,7 @@ void ScanQRCodeOnScreen() {
         return @{@"ServerHost":ip,
                  @"ServerPort": @([port integerValue]),
                  @"Method": encryption,
-                 @"Password": password,
+                 @"Password": password ?: @"",
                  @"ssrObfs":ssrObfs,
                  @"ssrObfsParam":ssrObfsParam,
                  @"ssrProtocol":ssrProtocol,