diff --git a/components/style/gecko/pseudo_element.rs b/components/style/gecko/pseudo_element.rs
index d989380c02e..3ca06eea37e 100644
--- a/components/style/gecko/pseudo_element.rs
+++ b/components/style/gecko/pseudo_element.rs
@@ -92,6 +92,12 @@ impl PseudoElement {
         EAGER_PSEUDOS[i].clone()
     }
 
+    /// Whether the current pseudo element is animatable.
+    #[inline]
+    pub fn is_animatable(&self) -> bool {
+        matches!(*self, Self::Before | Self::After | Self::Marker)
+    }
+
     /// Whether the current pseudo element is ::before or ::after.
     #[inline]
     pub fn is_before_or_after(&self) -> bool {
diff --git a/components/style/gecko/wrapper.rs b/components/style/gecko/wrapper.rs
index a5472fadd66..af3173f92d1 100644
--- a/components/style/gecko/wrapper.rs
+++ b/components/style/gecko/wrapper.rs
@@ -1446,7 +1446,7 @@ impl<'le> TElement for GeckoElement<'le> {
     #[inline]
     fn may_have_animations(&self) -> bool {
         if let Some(pseudo) = self.implemented_pseudo_element() {
-            if !pseudo.is_before_or_after() {
+            if !pseudo.is_animatable() {
                 return false;
             }
             // FIXME(emilio): When would the parent of a ::before / ::after