diff --git a/user.js b/user.js
index c21b2d6..a960ad5 100644
--- a/user.js
+++ b/user.js
@@ -347,6 +347,7 @@ user_pref("browser.ping-centre.telemetry", false);
  * [1] https://wiki.mozilla.org/Firefox/Features/Form_Autofill ***/
 user_pref("extensions.formautofill.addresses.enabled", false); // [FF55+]
 user_pref("extensions.formautofill.available", "off"); // [FF56+]
+user_pref("extensions.formautofill.creditCards.available", false); // [FF57+]
 user_pref("extensions.formautofill.creditCards.enabled", false); // [FF56+]
 user_pref("extensions.formautofill.heuristics.enabled", false); // [FF55+]
 /* 0518: disable Web Compatibility Reporter [FF56+]