diff --git a/Userland/Libraries/LibWeb/DOM/Element.cpp b/Userland/Libraries/LibWeb/DOM/Element.cpp
index 147cf810623..d2ffe400089 100644
--- a/Userland/Libraries/LibWeb/DOM/Element.cpp
+++ b/Userland/Libraries/LibWeb/DOM/Element.cpp
@@ -448,9 +448,11 @@ void Element::run_attribute_change_steps(FlyString const& local_name, Optional<S
 
     // AD-HOC: Run our own internal attribute change handler.
     attribute_changed(local_name, old_value, value);
-    invalidate_style_after_attribute_change(local_name);
 
-    document().bump_dom_tree_version();
+    if (old_value != value) {
+        invalidate_style_after_attribute_change(local_name);
+        document().bump_dom_tree_version();
+    }
 }
 
 void Element::attribute_changed(FlyString const& name, Optional<String> const&, Optional<String> const& value)