diff --git a/DataStorage/Cache/CacheFactory.php b/DataStorage/Cache/CacheFactory.php
index 9985bf002..2f59baf78 100644
--- a/DataStorage/Cache/CacheFactory.php
+++ b/DataStorage/Cache/CacheFactory.php
@@ -63,7 +63,7 @@ class CacheFactory
     {
         switch ($cacheData['type']) {
             case 'file':
-                return new FileCache($cacheData);
+                return new FileCache($cacheData['path']);
                 break;
             default:
                 throw new \InvalidArgumentException('Cache "' . $cacheData['type'] . '" is not supported.');
diff --git a/Datatypes/SmartDateTime.php b/Datatypes/SmartDateTime.php
index 7e6d54701..d2c17b72f 100644
--- a/Datatypes/SmartDateTime.php
+++ b/Datatypes/SmartDateTime.php
@@ -138,7 +138,7 @@ class SmartDateTime extends \DateTime
      */
     public function getDaysOfMonth() : int
     {
-        return cal_days_in_month(CAL_GREGORIAN, $this->format('m'), $this->format('Y'));
+        return cal_days_in_month(CAL_GREGORIAN, (int) $this->format('m'), (int) $this->format('Y'));
     }
 
     /**
@@ -151,7 +151,7 @@ class SmartDateTime extends \DateTime
      */
     public function getFirstDayOfMonth() : int
     {
-        return getdate(mktime(null, null, null, $this->format('m'), 1, $this->format('Y')))['wday'];
+        return getdate(mktime(null, null, null, (int) $this->format('m'), 1, (int) $this->format('Y')))['wday'];
     }
 
 }