diff --git a/CRM/WebformCivirules/Condition/WebformIs.php b/CRM/WebformCivirules/Condition/WebformIs.php
index d59d444b44db4c80e0901e7fdb093de803198405..b0f5cd43eeb168fd5ff2fbd350f90bf2a0f6672e 100644
--- a/CRM/WebformCivirules/Condition/WebformIs.php
+++ b/CRM/WebformCivirules/Condition/WebformIs.php
@@ -34,7 +34,7 @@ class CRM_WebformCivirules_Condition_WebformIs extends CRM_Civirules_Condition {
     if (!$triggerData instanceof CRM_WebformCivirules_TriggerData) {
       return false;
     }
-    if ($this->conditionParams['is not one of']) {
+    if ($this->conditionParams['operator'] == 'is not one of') {
       if (!in_array($triggerData->getNodeId(), $this->conditionParams['node_ids'])) {
         return true;
       }