diff --git a/Plugins/ThemeRepo/res/DiscordPreview.html b/Plugins/ThemeRepo/res/DiscordPreview.html
index ed7a9af4e2..2b9cd9a8dd 100644
--- a/Plugins/ThemeRepo/res/DiscordPreview.html
+++ b/Plugins/ThemeRepo/res/DiscordPreview.html
@@ -183,7 +183,7 @@
 													</div>
 												</div>
 												<div class="scrollerWrap-2lJEkd scrollerThemed-2oenus themeGhostHairlineChannels-3G0x9_ scrollerFade-1Ijw5y">
-													<div class="scroller-2FKFPG scroller-2v3d_F">
+													<div class="scroller-2FKFPG firefoxFixScrollFlex-cnI2ix systemPad-3UxEGl scroller-2wx7Hm">
 														<div style="width: 100%; height: 0px; visibility: hidden;"></div>
 														<div class="container-0">
 															<div style="height: 16px;"></div>