diff --git a/Zend/Optimizer/zend_inference.c b/Zend/Optimizer/zend_inference.c
index e5d476d01d5..8602e7cb039 100644
--- a/Zend/Optimizer/zend_inference.c
+++ b/Zend/Optimizer/zend_inference.c
@@ -4027,7 +4027,8 @@ void zend_func_return_info(const zend_op_array   *op_array,
 
 	if (!ret->type) {
 		/* We will intersect the type later. */
-		ret->type = MAY_BE_REF | MAY_BE_ANY | MAY_BE_ARRAY_OF_ANY | MAY_BE_ARRAY_OF_REF | MAY_BE_ARRAY_KEY_ANY;
+		ret->type = MAY_BE_ANY | MAY_BE_ARRAY_OF_ANY | MAY_BE_ARRAY_OF_REF | MAY_BE_ARRAY_KEY_ANY
+			| MAY_BE_RC1 | MAY_BE_RCN | MAY_BE_REF;
 	}
 
 	for (j = 0; j < blocks_count; j++) {