--- a/browser/components/migration/tests/unit/xpcshell.ini
+++ b/browser/components/migration/tests/unit/xpcshell.ini
@@ -13,15 +13,15 @@ skip-if = os != "win"
 [test_Chrome_cookies.js]
 skip-if = os != "mac" # Relies on ULibDir
 [test_Chrome_passwords.js]
 skip-if = os != "win"
 [test_Edge_db_migration.js]
 skip-if = os != "win"
 [test_fx_telemetry.js]
 [test_IE_bookmarks.js]
-skip-if = true # bug 1392396
+skip-if = !(os == "win" && bits == 64) # bug 1392396
 [test_IE_cookies.js]
 skip-if = os != "win"
 [test_IE7_passwords.js]
 skip-if = os != "win"
 [test_Safari_bookmarks.js]
 skip-if = os != "mac"