--- a/security/manager/ssl/tests/unit/xpcshell.ini
+++ b/security/manager/ssl/tests/unit/xpcshell.ini
@@ -9,9 +9,10 @@ skip-if = os == "android"
 # Bug 676972: test hangs consistently on Android
 skip-if = os == "android"
 [test_hmac.js]
 # Bug 676972: test hangs consistently on Android
 skip-if = os == "android"
 [test_bug627234.js]
 skip-if = perwindowprivatebrowsing
 [test_sts_preloadlist.js]
+skip-if = perwindowprivatebrowsing
 [test_sts_preloadlist_selfdestruct.js]