diff --git a/www/js/app.js b/www/js/app.js
index 394c5eaf..9eae6170 100644
--- a/www/js/app.js
+++ b/www/js/app.js
@@ -2830,7 +2830,7 @@ define(['jquery', 'zimArchiveLoader', 'uiUtil', 'util', 'utf8', 'cache', 'images
                             params.noWarning = true;
                             if (!params.manipulateImages) document.getElementById('manipulateImagesCheck').click();
                             params.noWarning = false;
-                            if (params.cssTheme === 'darkReader') {
+                            if (params.cssTheme === 'darkReader' && /UWP/.test(params.appType)) {
                                 document.getElementById('cssWikiDarkThemeDarkReaderCheck').click();
                             }
                         }