Index: LuceneSearch.php
===================================================================
--- LuceneSearch.php	(revision 31435)
+++ LuceneSearch.php	(working copy)
@@ -85,3 +85,10 @@
 
 $wgExtensionMessagesFiles['LuceneSearch'] = dirname(__FILE__) . '/LuceneSearch.i18n.php';
 $wgAutoloadClasses['LuceneResult'] = dirname(__FILE__) . '/LuceneSearch_body.php';
+
+// Only load the API modules in case there is API support
+if (isset($wgAPIModules)) {
+	$wgAutoloadClasses['ApiQueryLuceneSearch'] = dirname(__FILE__) . '/ApiQueryLuceneSearch.php';
+	// Override the default search engine
+	$wgAPIModules['search'] = 'ApiQueryLuceneSearch';
+}