diff --git a/package.json b/package.json
index ce2dc13..0c4b4e7 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "cord_workflow_controller",
-    "version": "0.5.3",
+    "version": "0.5.4",
     "description": "CORD Workflow Controller",
     "main": "src/server.js",
     "scripts": {
diff --git a/src/controllers/ws_manager.js b/src/controllers/ws_manager.js
index 539c415..29ae8b5 100644
--- a/src/controllers/ws_manager.js
+++ b/src/controllers/ws_manager.js
@@ -453,7 +453,7 @@
             // there must be a workflow matching
             // set workflow status
             let result = eventrouter.setWorkflowRunStatus(workflowRunId, status);
-            results.append(result);
+            results.push(result);
         });
 
         cb(null, results);