diff --git a/toolkit/components/places/tests/unit/xpcshell.ini b/toolkit/components/places/tests/unit/xpcshell.ini
index 44f5606fd8e1..aa96b98e2e06 100644
--- a/toolkit/components/places/tests/unit/xpcshell.ini
+++ b/toolkit/components/places/tests/unit/xpcshell.ini
@@ -1,9 +1,10 @@
 [DEFAULT]
 head = head_bookmarks.js
-tail = 
+tail =
 
 [test_000_frecency.js]
 [test_248970.js]
+skip-if = perwindowprivatebrowsing
 [test_317472.js]
 # Bug 676989: test hangs consistently on Android
 skip-if = os == "android"