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 156123e4..9cdb0864 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
@@ -1494,6 +1494,10 @@ export default {
       await setVolumesForViewports(
         renderingEngine,
         [
+          {
+            volumeId: ptVolumeId,
+            callback: setPetColorMapTransferFunctionForVolumeActor
+          },
           {
             volumeId: ctVolumeId,
             callback: setCtTransferFunctionForVolumeActor