--- a/toolkit/components/telemetry/TelemetryEnvironment.jsm
+++ b/toolkit/components/telemetry/TelemetryEnvironment.jsm
@@ -193,16 +193,17 @@ const DEFAULT_ENVIRONMENT_PREFS = new Ma
   ["dom.max_script_run_time", {what: RECORD_PREF_VALUE}],
   ["experiments.manifest.uri", {what: RECORD_PREF_VALUE}],
   ["extensions.allow-non-mpc-extensions", {what: RECORD_PREF_VALUE}],
   ["extensions.autoDisableScopes", {what: RECORD_PREF_VALUE}],
   ["extensions.enabledScopes", {what: RECORD_PREF_VALUE}],
   ["extensions.blocklist.enabled", {what: RECORD_PREF_VALUE}],
   ["extensions.blocklist.url", {what: RECORD_PREF_VALUE}],
   ["extensions.formautofill.addresses.enabled", {what: RECORD_PREF_VALUE}],
+  ["extensions.formautofill.creditCards.enabled", {what: RECORD_PREF_VALUE}],
   ["extensions.strictCompatibility", {what: RECORD_PREF_VALUE}],
   ["extensions.update.enabled", {what: RECORD_PREF_VALUE}],
   ["extensions.update.url", {what: RECORD_PREF_VALUE}],
   ["extensions.update.background.url", {what: RECORD_PREF_VALUE}],
   ["extensions.screenshots.disabled", {what: RECORD_PREF_VALUE}],
   ["extensions.screenshots.system-disabled", {what: RECORD_PREF_VALUE}],
   ["general.smoothScroll", {what: RECORD_PREF_VALUE}],
   ["gfx.direct2d.disabled", {what: RECORD_PREF_VALUE}],