diff --git a/Tests/LibWeb/Text/expected/HTML/form-element-enctype.txt b/Tests/LibWeb/Text/expected/HTML/form-element-enctype.txt
index 4e5e08d258d..41989b085d5 100644
--- a/Tests/LibWeb/Text/expected/HTML/form-element-enctype.txt
+++ b/Tests/LibWeb/Text/expected/HTML/form-element-enctype.txt
@@ -1,5 +1,8 @@
    enctype  | application/x-www-form-urlencoded
+encoding | application/x-www-form-urlencoded
 
 enctype  | text/plain
+encoding | text/plain
 
 enctype  | application/x-www-form-urlencoded
+encoding | application/x-www-form-urlencoded
diff --git a/Tests/LibWeb/Text/input/HTML/form-element-enctype.html b/Tests/LibWeb/Text/input/HTML/form-element-enctype.html
index 4c9ad01df27..23723113058 100644
--- a/Tests/LibWeb/Text/input/HTML/form-element-enctype.html
+++ b/Tests/LibWeb/Text/input/HTML/form-element-enctype.html
@@ -5,14 +5,17 @@
         const form = document.getElementById('testForm');
 
         println(`enctype  | ${form.enctype}`);
+        println(`encoding | ${form.encoding}`);
         println('');
 
         form.enctype = 'text/plain';
 
         println(`enctype  | ${form.enctype}`);
+        println(`encoding | ${form.encoding}`);
         println('');
 
         form.enctype = 'invalid-value';
         println(`enctype  | ${form.enctype}`);
+        println(`encoding | ${form.encoding}`);
     });
 </script>
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLFormElement.idl b/Userland/Libraries/LibWeb/HTML/HTMLFormElement.idl
index 84667f30fe1..605d6f63b83 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLFormElement.idl
+++ b/Userland/Libraries/LibWeb/HTML/HTMLFormElement.idl
@@ -19,7 +19,7 @@ interface HTMLFormElement : HTMLElement {
     [CEReactions] attribute USVString action;
     [FIXME, CEReactions] attribute DOMString autocomplete;
     [CEReactions, Enumerated=EnctypeAttribute, Reflect] attribute DOMString enctype;
-    [FIXME, CEReactions] attribute DOMString encoding;
+    [CEReactions, Enumerated=EnctypeAttribute, Reflect=enctype] attribute DOMString encoding;
     [CEReactions] attribute DOMString method;
     [CEReactions, Reflect] attribute DOMString name;
     [CEReactions, Reflect=novalidate] attribute boolean noValidate;