diff --git a/server/package-lock.json b/server/package-lock.json
index 442145081..a67ccf8f7 100644
--- a/server/package-lock.json
+++ b/server/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@scrypted/server",
-  "version": "0.0.142",
+  "version": "0.0.143",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@scrypted/server",
-      "version": "0.0.142",
+      "version": "0.0.143",
       "license": "ISC",
       "dependencies": {
         "@mapbox/node-pre-gyp": "^1.0.8",
diff --git a/server/package.json b/server/package.json
index 10cb45b65..1d09b6277 100644
--- a/server/package.json
+++ b/server/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@scrypted/server",
-  "version": "0.0.142",
+  "version": "0.0.143",
   "description": "",
   "dependencies": {
     "@mapbox/node-pre-gyp": "^1.0.8",
diff --git a/server/src/runtime.ts b/server/src/runtime.ts
index 2c56b3f6f..ec8f46bf9 100644
--- a/server/src/runtime.ts
+++ b/server/src/runtime.ts
@@ -328,6 +328,13 @@ export class ScryptedRuntime extends PluginHttp<HttpPluginData> {
     handleEngineIOEndpoint(req: Request, res: ServerResponse, endpointRequest: HttpRequest, pluginData: HttpPluginData) {
         const { pluginHost, pluginDevice } = pluginData;
 
+        if (!pluginHost || !pluginDevice) {
+            console.error('plugin does not exist or is still starting up.');
+            res.writeHead(500);
+            res.end();
+            return;
+        }
+
         (req as any).scrypted = {
             endpointRequest,
             pluginDevice,