diff --git a/src/views/trials/trials-panel/reading/dicoms/components/Fusion/PetCt.vue b/src/views/trials/trials-panel/reading/dicoms/components/Fusion/PetCt.vue
index d07be5d5..d9cdd7df 100644
--- a/src/views/trials/trials-panel/reading/dicoms/components/Fusion/PetCt.vue
+++ b/src/views/trials/trials-panel/reading/dicoms/components/Fusion/PetCt.vue
@@ -214,7 +214,7 @@
         </div>
       </el-tooltip>
 
-      <el-tooltip v-if="isCurrentTask" class="item" effect="dark" :content="$t('trials:lugano:button:record')" placement="bottom" style="margin-left:20px">
+      <el-tooltip v-if="!isBaseLineTask" class="item" effect="dark" :content="$t('trials:lugano:button:record')" placement="bottom" style="margin-left:20px">
         <div class="tool-wrapper">
           <div
             class="icon"
diff --git a/src/views/trials/trials-panel/reading/dicoms/components/Fusion/js/initCornerstoneDICOMImageLoader.js b/src/views/trials/trials-panel/reading/dicoms/components/Fusion/js/initCornerstoneDICOMImageLoader.js
index 5230450e..584e981d 100644
--- a/src/views/trials/trials-panel/reading/dicoms/components/Fusion/js/initCornerstoneDICOMImageLoader.js
+++ b/src/views/trials/trials-panel/reading/dicoms/components/Fusion/js/initCornerstoneDICOMImageLoader.js
@@ -16,28 +16,28 @@ export default function initCornerstoneDICOMImageLoader() {
   cornerstoneDICOMImageLoader.external.cornerstone = cornerstone
   cornerstoneDICOMImageLoader.external.dicomParser = dicomParser
   cornerstoneDICOMImageLoader.configure({
-    useWebWorkers: false,
+    useWebWorkers: true,
     decodeConfig: {
       convertFloatPixelDataToInt: false,
       use16BitDataType: preferSizeOverAccuracy || useNorm16Texture
     }
   })
-  // let maxWebWorkers = 1
+  let maxWebWorkers = 1
 
-  // if (navigator.hardwareConcurrency) {
-  //   maxWebWorkers = Math.min(navigator.hardwareConcurrency, 7)
-  // }
+  if (navigator.hardwareConcurrency) {
+    maxWebWorkers = Math.min(navigator.hardwareConcurrency, 7)
+  }
 
-  // var config = {
-  //   maxWebWorkers,
-  //   startWebWorkersOnDemand: false,
-  //   taskConfiguration: {
-  //     decodeTask: {
-  //       initializeCodecsOnStartup: false,
-  //       strict: false
-  //     }
-  //   }
-  // }
+  var config = {
+    maxWebWorkers,
+    startWebWorkersOnDemand: false,
+    taskConfiguration: {
+      decodeTask: {
+        initializeCodecsOnStartup: false,
+        strict: false
+      }
+    }
+  }
 
-  // cornerstoneDICOMImageLoader.webWorkerManager.initialize(config)
+  cornerstoneDICOMImageLoader.webWorkerManager.initialize(config)
 }