diff --git a/lib/Citycom/OanApiClient.php b/lib/Citycom/OanApiClient.php
index c0b7cb7c4..24cac04c8 100644
--- a/lib/Citycom/OanApiClient.php
+++ b/lib/Citycom/OanApiClient.php
@@ -309,7 +309,7 @@ class Citycom_OanApiClient {
         return true;
     }
 
-    private function runApiRequest($url, $ctx_opts, $url_params = [], $page_num = 1) : mixed {
+    private function runApiRequest($url, $ctx_opts, $url_params = [], $page_num = 1) {
         $current_page = $page_num;
         $return_data = [];