diff --git a/php/src/Data/ConfigurationManager.php b/php/src/Data/ConfigurationManager.php
index 411ff626..642ef000 100644
--- a/php/src/Data/ConfigurationManager.php
+++ b/php/src/Data/ConfigurationManager.php
@@ -588,7 +588,6 @@ class ConfigurationManager
         $configValue = $this->get($configName, '');
         if ($envVariableOutput === false) {
             if ($configValue === '') {
-                $this->set($configName, $defaultValue);
                 return $defaultValue;
             }
             return $configValue;