diff --git a/php/src/Data/ConfigurationManager.php b/php/src/Data/ConfigurationManager.php
index f23cfcda..c72e1641 100644
--- a/php/src/Data/ConfigurationManager.php
+++ b/php/src/Data/ConfigurationManager.php
@@ -12,7 +12,7 @@ class ConfigurationManager
         if(file_exists(DataConst::GetConfigFile()))
         {
             $configContent = file_get_contents(DataConst::GetConfigFile());
-            return json_decode($configContent, true);
+            return json_decode($configContent, true, 512, JSON_THROW_ON_ERROR);
         }
 
         return [];
@@ -514,7 +514,7 @@ class ConfigurationManager
             throw new InvalidSettingConfigurationException(DataConst::GetDataDirectory() . " does not exist! Something was set up falsely!");
         }
         $df = disk_free_space(DataConst::GetDataDirectory());
-        $content = json_encode($config, JSON_UNESCAPED_SLASHES|JSON_PRETTY_PRINT);
+        $content = json_encode($config, JSON_UNESCAPED_SLASHES|JSON_PRETTY_PRINT|JSON_THROW_ON_ERROR);
         $size = strlen($content) + 10240;
         if ($df !== false && (int)$df < $size) {
             throw new InvalidSettingConfigurationException(DataConst::GetDataDirectory() . " does not have enough space for writing the config file! Not writing it back!");