diff --git a/indra/newview/skins/default/xui/de/floater_window_size.xml b/indra/newview/skins/default/xui/de/floater_window_size.xml
index b1e94127a8..dfc7ba9aa1 100644
--- a/indra/newview/skins/default/xui/de/floater_window_size.xml
+++ b/indra/newview/skins/default/xui/de/floater_window_size.xml
@@ -20,6 +20,7 @@
 		<combo_box.item label="1920 x 1080 (16:9 FHD)" name="item12"/>
 		<combo_box.item label="1920 x 1200 (16:10 WUXGA)" name="item13"/>
 		<combo_box.item label="2560 x 1440 (16:9 QHD)" name="item14"/>
+		<combo_box.item label="3840 x 2160 (16:9 4K UHD)" name="item15"/>
 	</combo_box>
 	<button label="Festlegen" name="set_btn"/>
 	<button label="Abbrechen" name="cancel_btn"/>
diff --git a/indra/newview/skins/default/xui/en/floater_window_size.xml b/indra/newview/skins/default/xui/en/floater_window_size.xml
index 26a291e2be..20a23fe052 100644
--- a/indra/newview/skins/default/xui/en/floater_window_size.xml
+++ b/indra/newview/skins/default/xui/en/floater_window_size.xml
@@ -80,6 +80,10 @@
        label="2560 x 1440 (16:9 QHD)"
        name="item14"
        value="2560 x 1440" />
+      <combo_box.item
+       label="3840 x 2160 (16:9 4K UHD)"
+       name="item15"
+       value="3840 x 2160" />
     </combo_box>
     <button
      follows="right|bottom"