diff --git a/indra/newview/skins/default/xui/en/panel_settings_sky_sunmoon.xml b/indra/newview/skins/default/xui/en/panel_settings_sky_sunmoon.xml
index 371ecd74bd981983743cd1c5aa3af0e24962ed8e..e63b7e41b437862dfe68eb760d708b1fe70826a8 100644
--- a/indra/newview/skins/default/xui/en/panel_settings_sky_sunmoon.xml
+++ b/indra/newview/skins/default/xui/en/panel_settings_sky_sunmoon.xml
@@ -285,7 +285,7 @@
                             max_val="1.0"
                             name="moon_brightness"
                             top_delta="15"
-                            width="250"
+                            width="130"
                             can_edit_text="true"/>
                 </layout_panel>
             </layout_stack>