diff --git a/toolkit/components/places/tests/favicons/xpcshell.ini b/toolkit/components/places/tests/favicons/xpcshell.ini
index 5efc35cd6ca2..562eac29a018 100644
--- a/toolkit/components/places/tests/favicons/xpcshell.ini
+++ b/toolkit/components/places/tests/favicons/xpcshell.ini
@@ -16,6 +16,7 @@ fail-if = os == "android"
 [test_replaceFaviconData.js]
 [test_replaceFaviconDataFromDataURL.js]
 [test_setAndFetchFaviconForPage.js]
+skip-if = perwindowprivatebrowsing
 [test_setAndFetchFaviconForPage_failures.js]
 # Bug 676989: test fails consistently on Android
 fail-if = os == "android"