diff --git a/Energy_Pie/module.php b/Energy_Pie/module.php
index 561d578..a1b14a6 100644
--- a/Energy_Pie/module.php
+++ b/Energy_Pie/module.php
@@ -147,7 +147,8 @@ class Energy_Pie extends IPSModule
             ]
         ];
 
-        $this->UpdateVisualizationValue($payload);
+        $this->UpdateVisualizationValue(json_encode($payload, JSON_THROW_ON_ERROR));
+
     }
 
     private function getRange(string $range, string $dateYmd): array