diff --git a/ext/xmlreader/php_xmlreader.c b/ext/xmlreader/php_xmlreader.c
index 7b261954095..afc8cc80baf 100644
--- a/ext/xmlreader/php_xmlreader.c
+++ b/ext/xmlreader/php_xmlreader.c
@@ -1132,8 +1132,13 @@ PHP_METHOD(XMLReader, expand)
 		RETURN_THROWS();
 	}
 #else
-	php_error(E_WARNING, "DOM support is not enabled");
-	return;
+	zval *dummy;
+	if (zend_parse_parameters(ZEND_NUM_ARGS(), "|z!", &dummy) == FAILURE) {
+		RETURN_THROWS();
+	}
+
+	zend_throw_error(NULL, "XMLReader::expand() requires the DOM extension to be enabled");
+	RETURN_THROWS();
 #endif
 }
 /* }}} */
diff --git a/ext/xmlreader/php_xmlreader.stub.php b/ext/xmlreader/php_xmlreader.stub.php
index 844a8fddca4..5e8fda564d9 100644
--- a/ext/xmlreader/php_xmlreader.stub.php
+++ b/ext/xmlreader/php_xmlreader.stub.php
@@ -76,6 +76,6 @@ class XMLReader
     /** @return bool|XMLReader */
     public static function XML(string $source, ?string $encoding = null, int $options = 0) {}
 
-    /** @return DOMNode|false|null */
+    /** @return DOMNode|false */
     public function expand(?DOMNode $basenode = null) {}
 }
diff --git a/ext/xmlreader/php_xmlreader_arginfo.h b/ext/xmlreader/php_xmlreader_arginfo.h
index 0d12174edf8..29ee6bb0138 100644
--- a/ext/xmlreader/php_xmlreader_arginfo.h
+++ b/ext/xmlreader/php_xmlreader_arginfo.h
@@ -1,5 +1,5 @@
 /* This is a generated file, edit the .stub.php file instead.
- * Stub hash: 65f093ef5916078c10dd4bff7e854561f153ab9c */
+ * Stub hash: 7d549429c217e5c3b9c36013b6737f4e8eeccbb6 */
 
 ZEND_BEGIN_ARG_INFO_EX(arginfo_class_XMLReader_close, 0, 0, 0)
 ZEND_END_ARG_INFO()