diff --git a/demos/demo-minimal-js/index.js b/demos/demo-minimal-js/index.js
index d9af43a..b9d8b5d 100644
--- a/demos/demo-minimal-js/index.js
+++ b/demos/demo-minimal-js/index.js
@@ -1,8 +1,8 @@
 /* eslint-disable import/no-relative-packages */
 import CallingExtensions from "../../src/CallingExtensions";
-import { errorType, callEndStatus } from "../../src/Constants";
+import { messageType, callEndStatus } from "../../src/Constants";
 // import CallingExtensions, { Constants } from "@hubspot/calling-extensions-sdk";
-// const { errorType, callEndStatus } = Constants;
+// const { messageType, callEndStatus } = Constants;
 
 export const state = {
   engagementId: 0,
@@ -225,7 +225,7 @@ export function completeCall() {
 
 export function sendError() {
   cti.sendError({
-    type: errorType.ERROR,
+    type: messageType.ERROR,
     message: "This is an error alert shown in the Hubspot UI",
   });
 }
diff --git a/src/Constants.js b/src/Constants.js
index 5f5ce9a..b995104 100644
--- a/src/Constants.js
+++ b/src/Constants.js
@@ -44,6 +44,7 @@ export const messageType = {
   ...thirdPartyToHostEvents,
   ...hostToThirdPartyEvents,
   END_CALL: "END_CALL",
+  ERROR: "ERROR",
   READY: "READY",
   SET_CALL_STATE: "SET_CALL_STATE",
   SET_WIDGET_URL: "SET_WIDGET_URL",
@@ -71,7 +72,6 @@ export const messageHandlerNames = {
 
 export const errorType = {
   UNKNOWN_MESSAGE_TYPE: "UNKNOWN_MESSAGE_TYPE",
-  ERROR: "ERROR",
 };
 
 /** These are potential statuses from the BE client when calling from phone