diff --git a/browser/base/content/test/tabs/browser.ini b/browser/base/content/test/tabs/browser.ini
index 509606f3376a..9e3dc559a5fa 100644
--- a/browser/base/content/test/tabs/browser.ini
+++ b/browser/base/content/test/tabs/browser.ini
@@ -52,6 +52,7 @@ skip-if = !e10s # Pref and test only relevant for e10s.
 [browser_newwindow_tabstrip_overflow.js]
 [browser_open_newtab_start_observer_notification.js]
 [browser_opened_file_tab_navigated_to_web.js]
+skip-if = (os == 'mac' && debug) || (os == 'linux' && debug) # Bug 1356347
 [browser_overflowScroll.js]
 [browser_pinnedTabs_clickOpen.js]
 [browser_pinnedTabs_closeByKeyboard.js]