diff --git a/src/views/dicom-show/dicom-preview.vue b/src/views/dicom-show/dicom-preview.vue
index dfcdef17..a63e0f83 100644
--- a/src/views/dicom-show/dicom-preview.vue
+++ b/src/views/dicom-show/dicom-preview.vue
@@ -67,15 +67,14 @@ import * as cornerstoneWADOImageLoader from 'cornerstone-wado-image-loader'
 // import dicomStore from '@/utils/dicom-store'
 import dicomViewer from '@/components/Dicom/DicomViewer'
 import dicomPreview from '@/components/Dicom/DicomPreview'
-
-cornerstoneWADOImageLoader.external.dicomParser = dicomParser
-cornerstoneWADOImageLoader.external.cornerstone = cornerstone
 var config = {
   maxWebWorkers: navigator.hardwareConcurrency || 1,
   startWebWorkersOnDemand: true
 }
-// var config = window.customWebWorkerConfig;
 cornerstoneWADOImageLoader.webWorkerManager.initialize(config)
+cornerstoneWADOImageLoader.external.dicomParser = dicomParser
+cornerstoneWADOImageLoader.external.cornerstone = cornerstone
+
 export default {
   components: {
     dicomViewer,
diff --git a/src/views/dicom-show/dicom-study.vue b/src/views/dicom-show/dicom-study.vue
index 28ed6ee7..107493d9 100644
--- a/src/views/dicom-show/dicom-study.vue
+++ b/src/views/dicom-show/dicom-study.vue
@@ -143,6 +143,11 @@ import { getInstanceList, setSeriesStatus } from '@/api/trials'
 import requestPoolManager from '@/utils/request-pool'
 import store from '@/store'
 import { changeURLStatic } from '@/utils/history.js'
+var config = {
+  maxWebWorkers: navigator.hardwareConcurrency || 1,
+  startWebWorkersOnDemand: true
+}
+cornerstoneWADOImageLoader.webWorkerManager.initialize(config)
 cornerstoneWADOImageLoader.external.dicomParser = dicomParser
 cornerstoneWADOImageLoader.external.cornerstone = cornerstone
 const maximumSizeInBytes = 1024 * 1024 * 1024 * 6
diff --git a/src/views/dicom-show/dicom-visit.vue b/src/views/dicom-show/dicom-visit.vue
index 7b96b9a6..e5e59735 100644
--- a/src/views/dicom-show/dicom-visit.vue
+++ b/src/views/dicom-show/dicom-visit.vue
@@ -265,6 +265,11 @@ import requestPoolManager from '@/utils/request-pool'
 import store from '@/store'
 import { changeURLStatic } from '@/utils/history.js'
 // import * as cornerstoneTools from 'cornerstone-tools'
+var config = {
+  maxWebWorkers: navigator.hardwareConcurrency || 1,
+  startWebWorkersOnDemand: true
+}
+cornerstoneWADOImageLoader.webWorkerManager.initialize(config)
 cornerstoneWADOImageLoader.external.dicomParser = dicomParser
 cornerstoneWADOImageLoader.external.cornerstone = cornerstone
 const maximumSizeInBytes = 1024 * 1024 * 1024 * 6
diff --git a/src/views/trials/trials-panel/reading/dicoms/components/ReadPage.vue b/src/views/trials/trials-panel/reading/dicoms/components/ReadPage.vue
index 633570e1..7f9db93b 100644
--- a/src/views/trials/trials-panel/reading/dicoms/components/ReadPage.vue
+++ b/src/views/trials/trials-panel/reading/dicoms/components/ReadPage.vue
@@ -75,6 +75,11 @@ import { mapGetters } from 'vuex'
 import * as dicomParser from 'dicom-parser'
 import * as cornerstone from 'cornerstone-core'
 import * as cornerstoneWADOImageLoader from 'cornerstone-wado-image-loader'
+var config = {
+  maxWebWorkers: navigator.hardwareConcurrency || 1,
+  startWebWorkersOnDemand: true
+}
+cornerstoneWADOImageLoader.webWorkerManager.initialize(config)
 cornerstoneWADOImageLoader.external.dicomParser = dicomParser
 cornerstoneWADOImageLoader.external.cornerstone = cornerstone
 const maximumSizeInBytes = 1024 * 1024 * 1024 * 6
diff --git a/src/views/trials/trials-panel/reading/dicoms/customize/CustomizeReadPage.vue b/src/views/trials/trials-panel/reading/dicoms/customize/CustomizeReadPage.vue
index 73b83ef8..0468b154 100644
--- a/src/views/trials/trials-panel/reading/dicoms/customize/CustomizeReadPage.vue
+++ b/src/views/trials/trials-panel/reading/dicoms/customize/CustomizeReadPage.vue
@@ -77,6 +77,11 @@ import { mapGetters } from "vuex";
 import * as dicomParser from 'dicom-parser'
 import * as cornerstone from 'cornerstone-core'
 import * as cornerstoneWADOImageLoader from 'cornerstone-wado-image-loader'
+var config = {
+  maxWebWorkers: navigator.hardwareConcurrency || 1,
+  startWebWorkersOnDemand: true
+}
+cornerstoneWADOImageLoader.webWorkerManager.initialize(config)
 cornerstoneWADOImageLoader.external.dicomParser = dicomParser
 cornerstoneWADOImageLoader.external.cornerstone = cornerstone
 const maximumSizeInBytes = 1024 * 1024 * 1024 * 6