diff --git a/components/style/gecko/non_ts_pseudo_class_list.rs b/components/style/gecko/non_ts_pseudo_class_list.rs
index d93fc95a509..fabac104ad8 100644
--- a/components/style/gecko/non_ts_pseudo_class_list.rs
+++ b/components/style/gecko/non_ts_pseudo_class_list.rs
@@ -78,8 +78,8 @@ macro_rules! apply_non_ts_list {
                 ("placeholder-shown", PlaceholderShown, PLACEHOLDER_SHOWN, _),
                 ("read-only", ReadOnly, READONLY, _),
                 ("read-write", ReadWrite, READWRITE, _),
-                ("user-valid", UserValid, MOZ_UI_VALID, _),
-                ("user-invalid", UserInvalid, MOZ_UI_INVALID, _),
+                ("user-valid", UserValid, USER_VALID, _),
+                ("user-invalid", UserInvalid, USER_INVALID, _),
                 ("-moz-meter-optimum", MozMeterOptimum, OPTIMUM, _),
                 ("-moz-meter-sub-optimum", MozMeterSubOptimum, SUB_OPTIMUM, _),
                 ("-moz-meter-sub-sub-optimum", MozMeterSubSubOptimum, SUB_SUB_OPTIMUM, _),
diff --git a/components/style_traits/dom.rs b/components/style_traits/dom.rs
index a5a5b8d5e43..dcc60c445ec 100644
--- a/components/style_traits/dom.rs
+++ b/components/style_traits/dom.rs
@@ -67,10 +67,10 @@ bitflags! {
         const VALID = 1 << 10;
         /// <https://html.spec.whatwg.org/multipage/#selector-invalid>
         const INVALID = 1 << 11;
-        /// Non-standard: https://developer.mozilla.org/en-US/docs/Web/CSS/:-moz-ui-valid
-        const MOZ_UI_VALID = 1 << 12;
-        /// Non-standard: https://developer.mozilla.org/en-US/docs/Web/CSS/:-moz-ui-invalid
-        const MOZ_UI_INVALID = 1 << 13;
+        /// <https://drafts.csswg.org/selectors-4/#user-valid-pseudo>
+        const USER_VALID = 1 << 12;
+        /// <https://drafts.csswg.org/selectors-4/#user-invalid-pseudo>
+        const USER_INVALID = 1 << 13;
         /// Non-standard: https://developer.mozilla.org/en-US/docs/Web/CSS/:-moz-broken
         const BROKEN = 1 << 14;
         /// Non-standard: https://developer.mozilla.org/en-US/docs/Web/CSS/:-moz-loading