diff --git a/lib/middleware.js b/lib/middleware.js
index d2c0153d..9985f969 100644
--- a/lib/middleware.js
+++ b/lib/middleware.js
@@ -1,5 +1,5 @@
 const uuidv4 = require('uuid-random');
-const {CallDirection, AllowedSipRecVerbs} = require('./utils/constants');
+const {CallDirection, AllowedSipRecVerbs, WS_CLOSE_CODES} = require('./utils/constants');
 const {parseSiprecPayload} = require('./utils/siprec-utils');
 const CallInfo = require('./session/call-info');
 const HttpRequestor = require('./utils/http-requestor');
@@ -460,7 +460,7 @@ module.exports = function(srf, logger) {
       }).catch((err) => this.logger.info({err}, 'Error generating alert for parsing application'));
       logger.info({err}, `Error retrieving or parsing application: ${err?.message}`);
       res.send(480, {headers: {'X-Reason': err?.message || 'unknown'}});
-      app.requestor.close();
+      app.requestor.close(WS_CLOSE_CODES.GoingAway);
     }
   }
 
diff --git a/lib/utils/constants.json b/lib/utils/constants.json
index d956a363..e3581bd1 100644
--- a/lib/utils/constants.json
+++ b/lib/utils/constants.json
@@ -283,5 +283,9 @@
     "Offline": "OFFLINE",
     "GracefulShutdownInProgress":"SHUTDOWN_IN_PROGRESS"
   },
-  "FEATURE_SERVER" : "feature-server"
+  "FEATURE_SERVER" : "feature-server",
+  "WS_CLOSE_CODES": {
+    "NormalClosure": 1000,
+    "GoingAway": 1001
+  }
 }
diff --git a/lib/utils/ws-requestor.js b/lib/utils/ws-requestor.js
index 6b97a9a2..4fbecaae 100644
--- a/lib/utils/ws-requestor.js
+++ b/lib/utils/ws-requestor.js
@@ -1,7 +1,7 @@
 const assert = require('assert');
 const BaseRequestor = require('./base-requestor');
 const short = require('short-uuid');
-const {HookMsgTypes} = require('./constants.json');
+const {HookMsgTypes, WS_CLOSE_CODES} = require('./constants.json');
 const Websocket = require('ws');
 const snakeCaseKeys = require('./snakecase-keys');
 const {
@@ -261,13 +261,13 @@ class WsRequestor extends BaseRequestor {
     }
   }
 
-  close() {
+  close(code = WS_CLOSE_CODES.NormalClosure) {
     this.closedGracefully = true;
-    this.logger.debug('WsRequestor:close closing socket');
+    this.logger.debug(`WsRequestor:close closing socket with code ${code}`);
     this._stopPingTimer();
     try {
       if (this.ws) {
-        this.ws.close(1000);
+        this.ws.close(code);
         this.ws.removeAllListeners();
         this.ws = null;
       }