diff --git a/browser/base/content/test/fullscreen/browser.ini b/browser/base/content/test/fullscreen/browser.ini
index 8eecb3f99cbfb943e6024379be0e51a05323fe1a..7a63da02f40e39f9461f9d44562dd18ee44c61f3 100644
--- a/browser/base/content/test/fullscreen/browser.ini
+++ b/browser/base/content/test/fullscreen/browser.ini
@@ -21,6 +21,7 @@ skip-if = (os == 'linux') || (os == 'win') # Bug 1818795 and Bug 1818796
 [browser_fullscreen_newtab.js]
 [browser_fullscreen_newwindow.js]
 [browser_fullscreen_permissions_prompt.js]
+skip-if = (os == "win" && os_version == "6.1") # Bug 1887280
 [browser_fullscreen_warning.js]
 support-files = fullscreen.html
 skip-if =