diff --git a/components/style/element_state.rs b/components/style/element_state.rs
index 28d505129a1af..f8f4629ef9b71 100644
--- a/components/style/element_state.rs
+++ b/components/style/element_state.rs
@@ -118,8 +118,8 @@ bitflags! {
         const IN_MODAL_DIALOG_STATE = 1 << 42;
         /// <https://html.spec.whatwg.org/multipage/#inert-subtrees>
         const IN_MOZINERT_STATE = 1 << 43;
-        /// State for the topmost dialog element in top layer
-        const IN_TOPMOST_MODAL_DIALOG_STATE = 1 << 44;
+        /// State for the topmost modal element in top layer
+        const IN_TOPMOST_MODAL_TOP_LAYER_STATE = 1 << 44;
         /// Initially used for the devtools highlighter, but now somehow only
         /// used for the devtools accessibility inspector.
         const IN_DEVTOOLS_HIGHLIGHTED_STATE = 1 << 45;
diff --git a/components/style/gecko/non_ts_pseudo_class_list.rs b/components/style/gecko/non_ts_pseudo_class_list.rs
index 7d6190ba47cfb..672e8104fe700 100644
--- a/components/style/gecko/non_ts_pseudo_class_list.rs
+++ b/components/style/gecko/non_ts_pseudo_class_list.rs
@@ -54,7 +54,7 @@ macro_rules! apply_non_ts_list {
                 ("-moz-styleeditor-transitioning", MozStyleeditorTransitioning, IN_STYLEEDITOR_TRANSITIONING_STATE, PSEUDO_CLASS_ENABLED_IN_UA_SHEETS),
                 ("fullscreen", Fullscreen, IN_FULLSCREEN_STATE, _),
                 ("-moz-modal-dialog", MozModalDialog, IN_MODAL_DIALOG_STATE, PSEUDO_CLASS_ENABLED_IN_UA_SHEETS),
-                ("-moz-topmost-modal-dialog", MozTopmostModalDialog, IN_TOPMOST_MODAL_DIALOG_STATE, PSEUDO_CLASS_ENABLED_IN_UA_SHEETS),
+                ("-moz-topmost-modal", MozTopmostModal, IN_TOPMOST_MODAL_TOP_LAYER_STATE, PSEUDO_CLASS_ENABLED_IN_UA_SHEETS),
                 ("-moz-broken", MozBroken, IN_BROKEN_STATE, _),
                 ("-moz-loading", MozLoading, IN_LOADING_STATE, _),
                 ("-moz-has-dir-attr", MozHasDirAttr, IN_HAS_DIR_ATTR_STATE, PSEUDO_CLASS_ENABLED_IN_UA_SHEETS),
diff --git a/components/style/gecko/wrapper.rs b/components/style/gecko/wrapper.rs
index 6053038c0c78c..9c4c3c4311860 100644
--- a/components/style/gecko/wrapper.rs
+++ b/components/style/gecko/wrapper.rs
@@ -2006,7 +2006,7 @@ impl<'le> ::selectors::Element for GeckoElement<'le> {
             NonTSPseudoClass::MozDirAttrRTL |
             NonTSPseudoClass::MozDirAttrLikeAuto |
             NonTSPseudoClass::MozModalDialog |
-            NonTSPseudoClass::MozTopmostModalDialog |
+            NonTSPseudoClass::MozTopmostModal |
             NonTSPseudoClass::Active |
             NonTSPseudoClass::Hover |
             NonTSPseudoClass::MozAutofillPreview |