diff --git a/src/popup/services/services.module.ts b/src/popup/services/services.module.ts
index 8b27c899bef..b35d4fd7b39 100644
--- a/src/popup/services/services.module.ts
+++ b/src/popup/services/services.module.ts
@@ -91,7 +91,7 @@ export function initFactory(platformUtilsService: PlatformUtilsService, i18nServ
             if (theme == null) {
                 theme = platformUtilsService.getDefaultSystemTheme();
 
-                platformUtilsService.onDefaultSystemThemeChange(theme => {
+                platformUtilsService.onDefaultSystemThemeChange((theme) => {
                     window.document.documentElement.classList.remove('theme_light', 'theme_dark');
                     window.document.documentElement.classList.add('theme_' + theme);
                 });