diff --git a/components/style/gecko/non_ts_pseudo_class_list.rs b/components/style/gecko/non_ts_pseudo_class_list.rs
index 0fc580cdc08..e73878ed67c 100644
--- a/components/style/gecko/non_ts_pseudo_class_list.rs
+++ b/components/style/gecko/non_ts_pseudo_class_list.rs
@@ -44,6 +44,8 @@ macro_rules! apply_non_ts_list {
                 ("disabled", Disabled, disabled, IN_DISABLED_STATE, _),
                 ("checked", Checked, checked, IN_CHECKED_STATE, _),
                 ("indeterminate", Indeterminate, indeterminate, IN_INDETERMINATE_STATE, _),
+                ("placeholder-shown", PlaceholderShown, placeholderShown, IN_PLACEHOLDER_SHOWN_STATE, _),
+                ("target", Target, target, IN_TARGET_STATE, _),
                 ("read-write", ReadWrite, _, IN_READ_WRITE_STATE, _),
                 ("read-only", ReadOnly, _, IN_READ_WRITE_STATE, _),
 
diff --git a/components/style/gecko/wrapper.rs b/components/style/gecko/wrapper.rs
index 2c1f07b28b1..c733b533898 100644
--- a/components/style/gecko/wrapper.rs
+++ b/components/style/gecko/wrapper.rs
@@ -651,7 +651,9 @@ impl<'le> ::selectors::Element for GeckoElement<'le> {
             NonTSPseudoClass::Checked |
             NonTSPseudoClass::ReadWrite |
             NonTSPseudoClass::Fullscreen |
-            NonTSPseudoClass::Indeterminate => {
+            NonTSPseudoClass::Indeterminate |
+            NonTSPseudoClass::PlaceholderShown |
+            NonTSPseudoClass::Target => {
                 self.get_state().contains(pseudo_class.state_flag())
             },
             NonTSPseudoClass::ReadOnly => {