diff --git a/app/static/js/ResourceLists/CorpusFileList.js b/app/static/js/ResourceLists/CorpusFileList.js
index ca27fe27..c052b2ea 100644
--- a/app/static/js/ResourceLists/CorpusFileList.js
+++ b/app/static/js/ResourceLists/CorpusFileList.js
@@ -11,6 +11,7 @@ class CorpusFileList extends ResourceList {
     this.isInitialized = false;
     this.userId = listContainerElement.dataset.userId;
     this.corpusId = listContainerElement.dataset.corpusId;
+    if (this.userId === undefined || this.corpusId === undefined) {return;}
     app.subscribeUser(this.userId).then((response) => {
       app.socket.on('PATCH', (patch) => {
         if (this.isInitialized) {this.onPatch(patch);}
diff --git a/app/static/js/ResourceLists/CorpusList.js b/app/static/js/ResourceLists/CorpusList.js
index e4af0b12..bf62ebed 100644
--- a/app/static/js/ResourceLists/CorpusList.js
+++ b/app/static/js/ResourceLists/CorpusList.js
@@ -8,8 +8,9 @@ class CorpusList extends ResourceList {
   constructor(listContainerElement, options = {}) {
     super(listContainerElement, options);
     this.listjs.list.addEventListener('click', (event) => {this.onClick(event)});
-    this.isInitialized = false;
+    this.isInitialized = false
     this.userId = listContainerElement.dataset.userId;
+    if (this.userId === undefined) {return;}
     app.subscribeUser(this.userId).then((response) => {
       app.socket.on('PATCH', (patch) => {
         if (this.isInitialized) {this.onPatch(patch);}
diff --git a/app/static/js/ResourceLists/JobInputList.js b/app/static/js/ResourceLists/JobInputList.js
index 36cb47f7..7f1a5105 100644
--- a/app/static/js/ResourceLists/JobInputList.js
+++ b/app/static/js/ResourceLists/JobInputList.js
@@ -11,6 +11,7 @@ class JobInputList extends ResourceList {
     this.isInitialized = false;
     this.userId = listContainerElement.dataset.userId;
     this.jobId = listContainerElement.dataset.jobId;
+    if (this.userId === undefined || this.jobId === undefined) {return;}
     app.subscribeUser(this.userId).then((response) => {
       app.socket.on('PATCH', (patch) => {
         if (this.isInitialized) {this.onPatch(patch);}
diff --git a/app/static/js/ResourceLists/JobList.js b/app/static/js/ResourceLists/JobList.js
index 1fa14ea2..ff7f82b2 100644
--- a/app/static/js/ResourceLists/JobList.js
+++ b/app/static/js/ResourceLists/JobList.js
@@ -10,6 +10,7 @@ class JobList extends ResourceList {
     this.listjs.list.addEventListener('click', (event) => {this.onClick(event)});
     this.isInitialized = false;
     this.userId = listContainerElement.dataset.userId;
+    if (this.userId === undefined) {return;}
     app.subscribeUser(this.userId).then((response) => {
       app.socket.on('PATCH', (patch) => {
         if (this.isInitialized) {this.onPatch(patch);}
diff --git a/app/static/js/ResourceLists/JobResultList.js b/app/static/js/ResourceLists/JobResultList.js
index 71c430af..b0cbc088 100644
--- a/app/static/js/ResourceLists/JobResultList.js
+++ b/app/static/js/ResourceLists/JobResultList.js
@@ -11,6 +11,7 @@ class JobResultList extends ResourceList {
     this.isInitialized = false;
     this.userId = listContainerElement.dataset.userId;
     this.jobId = listContainerElement.dataset.jobId;
+    if (this.userId === undefined || this.jobId === undefined) {return;}
     app.subscribeUser(this.userId).then((response) => {
       app.socket.on('PATCH', (patch) => {
         if (this.isInitialized) {this.onPatch(patch);}
diff --git a/app/static/js/ResourceLists/SpacyNLPPipelineModelList.js b/app/static/js/ResourceLists/SpacyNLPPipelineModelList.js
index 078ec90c..b90fb06b 100644
--- a/app/static/js/ResourceLists/SpacyNLPPipelineModelList.js
+++ b/app/static/js/ResourceLists/SpacyNLPPipelineModelList.js
@@ -11,6 +11,7 @@ class SpaCyNLPPipelineModelList extends ResourceList {
     this.listjs.list.addEventListener('click', (event) => {this.onClick(event)});
     this.isInitialized = false;
     this.userId = listContainerElement.dataset.userId;
+    if (this.userId === undefined) {return;}
     app.subscribeUser(this.userId).then((response) => {
       app.socket.on('PATCH', (patch) => {
         if (this.isInitialized) {this.onPatch(patch);}
diff --git a/app/static/js/ResourceLists/TesseractOCRPipelineModelList.js b/app/static/js/ResourceLists/TesseractOCRPipelineModelList.js
index ad319041..4ad3f5b1 100644
--- a/app/static/js/ResourceLists/TesseractOCRPipelineModelList.js
+++ b/app/static/js/ResourceLists/TesseractOCRPipelineModelList.js
@@ -11,6 +11,7 @@ class TesseractOCRPipelineModelList extends ResourceList {
     this.listjs.list.addEventListener('click', (event) => {this.onClick(event)});
     this.isInitialized = false;
     this.userId = listContainerElement.dataset.userId;
+    if (this.userId === undefined) {return;}
     app.subscribeUser(this.userId).then((response) => {
       app.socket.on('PATCH', (patch) => {
         if (this.isInitialized) {this.onPatch(patch);}