diff --git a/Tests/LibWeb/Text/expected/XHR/XMLHttpRequest-send-flag-already-set.txt b/Tests/LibWeb/Text/expected/XHR/XMLHttpRequest-send-flag-already-set.txt
new file mode 100644
index 0000000000..7ef22e9a43
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/XHR/XMLHttpRequest-send-flag-already-set.txt
@@ -0,0 +1 @@
+PASS
diff --git a/Tests/LibWeb/Text/input/XHR/XMLHttpRequest-send-flag-already-set.html b/Tests/LibWeb/Text/input/XHR/XMLHttpRequest-send-flag-already-set.html
new file mode 100644
index 0000000000..9abd30f51d
--- /dev/null
+++ b/Tests/LibWeb/Text/input/XHR/XMLHttpRequest-send-flag-already-set.html
@@ -0,0 +1,16 @@
+<script src="../include.js"></script>
+<script>
+    test(() => {
+        const INVALID_STATE_ERR = 11;
+        try {
+            const xhr = new XMLHttpRequest();
+            xhr.open("GET", "data:text/plain,", true);
+            xhr.send();
+            xhr.send();
+        }
+        catch (e) {
+            if (e.code === INVALID_STATE_ERR)
+                println("PASS");
+        }
+    });
+</script>