diff --git a/ext/wddx/wddx.c b/ext/wddx/wddx.c
index c1fcb04f999..a6be1af8dd8 100644
--- a/ext/wddx/wddx.c
+++ b/ext/wddx/wddx.c
@@ -983,7 +983,7 @@ static void php_wddx_pop_element(void *user_data, const XML_Char *name)
 										(void *) &tmp, sizeof(zval *), 0);
 
 						if (incomplete_class) {
-							php_store_class_name(obj, Z_STRVAL_P(ent1->data), Z_STRLEN_P(ent1->data));
+							php_store_class_name(obj, Z_UNIVAL_P(ent1->data), Z_STRLEN_P(ent1->data));
 						}
 
 						/* Clean up old array entry */