Index: trunk/mod_optimizer/xc_optimizer.c
===================================================================
--- trunk/mod_optimizer/xc_optimizer.c	(revision 1045)
+++ trunk/mod_optimizer/xc_optimizer.c	(revision 1047)
@@ -667,5 +667,5 @@
 {
 	REGISTER_INI_ENTRIES();
-	return xcache_zend_extension_prepend(&xc_optimizer_zend_extension_entry);
+	return xcache_zend_extension_add(&xc_optimizer_zend_extension_entry, 0);
 }
 /* }}} */