diff --git a/src/digital-components/sierra-webchat/sierra-webchat.vue b/src/digital-components/sierra-webchat/sierra-webchat.vue
index 162367a62..2ba74b33a 100644
--- a/src/digital-components/sierra-webchat/sierra-webchat.vue
+++ b/src/digital-components/sierra-webchat/sierra-webchat.vue
@@ -138,10 +138,7 @@ export default {
             }
             // Pass data to Salesforce chat if available
             const transfer = event.detail;
-            if (
-                window.embeddedservice_bootstrap &&
-                typeof window.embeddedservice_bootstrap.bootstrapEmbeddedService === "function"
-            ) {
+            if (window.embeddedservice_bootstrap && window.embeddedservice_bootstrap.prechatAPI) {
                 if (
                     transfer &&
                     transfer.data &&