diff --git a/modules/salesforce_webform/src/Plugin/SalesforceMappingField/WebformElements.php b/modules/salesforce_webform/src/Plugin/SalesforceMappingField/WebformElements.php
index 467c5540d7abd6942f93075e7ecab8cb6ae6349b..a3ea40c3c1d433a4870c58f79c21c135318d8e6d 100644
--- a/modules/salesforce_webform/src/Plugin/SalesforceMappingField/WebformElements.php
+++ b/modules/salesforce_webform/src/Plugin/SalesforceMappingField/WebformElements.php
@@ -80,7 +80,7 @@ class WebformElements extends SalesforceMappingFieldPluginBase {
       }
       else {
         $value = $entity->getElementData($main_element_name);
-        if (isset($element_parts[1])) {
+        if ($value && isset($element_parts[1])) {
           $value = $value[$element_parts[1]];
         }
         return $value;