diff --git a/dom/html/test/browser.ini b/dom/html/test/browser.ini
index 8be8040f8e40..273e30a4cb6e 100644
--- a/dom/html/test/browser.ini
+++ b/dom/html/test/browser.ini
@@ -29,6 +29,7 @@ tags = fullscreen
 tags = fullscreen
 support-files = file_fullscreen-newtab.html
 skip-if = os == 'mac' # bug 1494843
+ail-if = os == 'linux' && os_version == '18.04'  # Bug 1601460
 [browser_submission_flush.js]
 [browser_refresh_after_document_write.js]
 support-files =