diff --git a/components/script/dom/bindings/error.rs b/components/script/dom/bindings/error.rs
index c62216d4683..b6a3497d019 100644
--- a/components/script/dom/bindings/error.rs
+++ b/components/script/dom/bindings/error.rs
@@ -34,6 +34,8 @@ pub enum Error {
     InvalidCharacter,
     /// NotSupportedError DOMException
     NotSupported,
+    /// InUseAttributeError DOMException
+    InUseAttribute,
     /// InvalidStateError DOMException
     InvalidState,
     /// SyntaxError DOMException
@@ -79,6 +81,7 @@ pub fn throw_dom_exception(cx: *mut JSContext, global: GlobalRef,
         Error::HierarchyRequest => DOMErrorName::HierarchyRequestError,
         Error::InvalidCharacter => DOMErrorName::InvalidCharacterError,
         Error::NotSupported => DOMErrorName::NotSupportedError,
+        Error::InUseAttribute => DOMErrorName::InUseAttributeError,
         Error::InvalidState => DOMErrorName::InvalidStateError,
         Error::Syntax => DOMErrorName::SyntaxError,
         Error::NamespaceError => DOMErrorName::NamespaceError,
diff --git a/components/script/dom/domexception.rs b/components/script/dom/domexception.rs
index 59f8c0a0743..d066021e304 100644
--- a/components/script/dom/domexception.rs
+++ b/components/script/dom/domexception.rs
@@ -23,6 +23,7 @@ pub enum DOMErrorName {
     NoModificationAllowedError = DOMExceptionConstants::NO_MODIFICATION_ALLOWED_ERR,
     NotFoundError = DOMExceptionConstants::NOT_FOUND_ERR,
     NotSupportedError = DOMExceptionConstants::NOT_SUPPORTED_ERR,
+    InUseAttributeError = DOMExceptionConstants::INUSE_ATTRIBUTE_ERR,
     InvalidStateError = DOMExceptionConstants::INVALID_STATE_ERR,
     SyntaxError = DOMExceptionConstants::SYNTAX_ERR,
     InvalidModificationError = DOMExceptionConstants::INVALID_MODIFICATION_ERR,
@@ -83,6 +84,7 @@ impl<'a> DOMExceptionMethods for JSRef<'a, DOMException> {
             DOMErrorName::NoModificationAllowedError => "The object can not be modified.",
             DOMErrorName::NotFoundError => "The object can not be found here.",
             DOMErrorName::NotSupportedError => "The operation is not supported.",
+            DOMErrorName::InUseAttributeError => "The attribute already in use.",
             DOMErrorName::InvalidStateError => "The object is in an invalid state.",
             DOMErrorName::SyntaxError => "The string did not match the expected pattern.",
             DOMErrorName::InvalidModificationError => "The object can not be modified in this way.",