diff --git a/src/XeroPHP/Application.php b/src/XeroPHP/Application.php
index 7c33f3a3..f7b077d9 100644
--- a/src/XeroPHP/Application.php
+++ b/src/XeroPHP/Application.php
@@ -29,10 +29,10 @@ class Application
      */
     protected $config;
 
-    private ?int $lastApiCall = null;
-    private ?int $appMinLimitRemining = null;
-    private ?int $tenantDayLimitRemining = null;
-    private ?int $tenantMinLimitRemining = null;
+    private $lastApiCall = null;
+    private $appMinLimitRemining = null;
+    private $tenantDayLimitRemining = null;
+    private $tenantMinLimitRemining = null;
 
     /**
      * @var ClientInterface
diff --git a/src/XeroPHP/Remote/Request.php b/src/XeroPHP/Remote/Request.php
index 33382cc6..7dc3d46b 100644
--- a/src/XeroPHP/Remote/Request.php
+++ b/src/XeroPHP/Remote/Request.php
@@ -122,7 +122,7 @@ public function send()
         if($guzzleResponse->hasHeader('X-DayLimit-Remaining')){
             $this->app->updateTenantRateLimits(
                 $guzzleResponse->getHeader('X-DayLimit-Remaining')[0],
-                $guzzleResponse->getHeader('X-MinLimit-Remaining')[0],
+                $guzzleResponse->getHeader('X-MinLimit-Remaining')[0]
             );
         }