diff --git a/src/DOMAPI/Element.res b/src/DOMAPI/Element.res
index ca92be5..13b665b 100644
--- a/src/DOMAPI/Element.res
+++ b/src/DOMAPI/Element.res
@@ -115,7 +115,7 @@ Returns element's first attribute whose qualified name is qualifiedName, and nul
 [Read more on MDN](https://developer.mozilla.org/docs/Web/API/Element/getAttribute)
 */
   @send
-  external getAttribute: (T.t, string) => string = "getAttribute"
+  external getAttribute: (T.t, string) => null<string> = "getAttribute"
 
   /**
 Returns the qualified names of all element's attributes. Can contain duplicates.
diff --git a/tests/DOMAPI/Element__test.js b/tests/DOMAPI/Element__test.js
new file mode 100644
index 0000000..61808ec
--- /dev/null
+++ b/tests/DOMAPI/Element__test.js
@@ -0,0 +1,12 @@
+// Generated by ReScript, PLEASE EDIT WITH CARE
+
+
+let value = myElement.getAttribute("foo");
+
+if (value === null) {
+  console.log("nothing");
+} else {
+  console.log(value);
+}
+
+/* value Not a pure module */
diff --git a/tests/DOMAPI/Element__test.res b/tests/DOMAPI/Element__test.res
new file mode 100644
index 0000000..9a766fb
--- /dev/null
+++ b/tests/DOMAPI/Element__test.res
@@ -0,0 +1,6 @@
+external myElement: DOMAPI.element = "myElement"
+
+switch myElement->Element.getAttribute("foo") {
+| Null.Value(value) => value->Console.log
+| Null => "nothing"->Console.log
+}