1 files changed, 13 insertions, 1 deletions
diff --git a/components/script/dom/htmltablecolelement.rs b/components/script/dom/htmltablecolelement.rs
index 9e8eecf1147..70355f274fc 100644
--- a/components/script/dom/htmltablecolelement.rs
+++ b/components/script/dom/htmltablecolelement.rs
@@ -7,8 +7,10 @@ use html5ever::{LocalName, Prefix, local_name, ns};
 use js::rust::HandleObject;
 use style::attr::{AttrValue, LengthOrPercentageOrAuto};
 
+use super::attr::Attr;
 use super::bindings::root::LayoutDom;
-use super::element::Element;
+use super::element::{AttributeMutation, Element};
+use super::node::NodeDamage;
 use crate::dom::bindings::codegen::Bindings::HTMLTableColElementBinding::HTMLTableColElementMethods;
 use crate::dom::bindings::inheritance::Castable;
 use crate::dom::bindings::root::DomRoot;
@@ -93,6 +95,16 @@ impl VirtualMethods for HTMLTableColElement {
         Some(self.upcast::<HTMLElement>() as &dyn VirtualMethods)
     }
 
+    fn attribute_mutated(&self, attr: &Attr, mutation: AttributeMutation, can_gc: CanGc) {
+        if let Some(super_type) = self.super_type() {
+            super_type.attribute_mutated(attr, mutation, can_gc);
+        }
+
+        if matches!(*attr.local_name(), local_name!("span")) {
+            self.upcast::<Node>().dirty(NodeDamage::OtherNodeDamage);
+        }
+    }
+
     fn parse_plain_attribute(&self, local_name: &LocalName, value: DOMString) -> AttrValue {
         match *local_name {
             local_name!("span") => {