diff --git a/ext/com_dotnet/com_handlers.c b/ext/com_dotnet/com_handlers.c
index 5752a7d7057..12c82a41bcb 100644
--- a/ext/com_dotnet/com_handlers.c
+++ b/ext/com_dotnet/com_handlers.c
@@ -656,5 +656,7 @@ zend_object* php_com_object_new(zend_class_entry *ce)
 	zend_object_std_init(&obj->zo, ce);
 	obj->zo.handlers = &php_com_object_handlers;
 
+	obj->typeinfo = NULL;
+
 	return (zend_object*)obj;
 }