diff --git a/indra/newview/skins/default/xui/en/floater_media_browser.xml b/indra/newview/skins/default/xui/en/floater_media_browser.xml
index afc72a78a9c8995ea544ebf3447365531fc6525b..28b8139bfdb75a1e50ab86a98cbc7bbb6ac8aabe 100644
--- a/indra/newview/skins/default/xui/en/floater_media_browser.xml
+++ b/indra/newview/skins/default/xui/en/floater_media_browser.xml
@@ -7,6 +7,7 @@
  min_width="467"
  name="floater_about"
  save_rect="true"
+ single_instance="true"
  title="Media Browser"
  width="820">
     <floater.string