diff --git a/php/src/Data/ConfigurationManager.php b/php/src/Data/ConfigurationManager.php
index 2c0b79a8..038e9e10 100644
--- a/php/src/Data/ConfigurationManager.php
+++ b/php/src/Data/ConfigurationManager.php
@@ -170,10 +170,10 @@ class ConfigurationManager
 
     public function isWhiteboardEnabled() : bool {
         $config = $this->GetConfig();
-        if (isset($config['isWhiteboardEnabled']) && $config['isWhiteboardEnabled'] === 1) {
-            return true;
-        } else {
+        if (isset($config['isWhiteboardEnabled']) && $config['isWhiteboardEnabled'] === 0) {
             return false;
+        } else {
+            return true;
         }
     }