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 9ca41a88..3f0c9dba 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
@@ -505,7 +505,7 @@ export default {
       isLocate: true,
       // colorMaps: ['BLUE-WHITE', 'BkBu', 'BkCy', 'BkMa', 'Blues', 'Cool to Warm', 'GBBr', 'Grayscale', 'Greens', 'Haze', 'Haze_green', 'Oranges', 'Purples', 'Warm to Cool', 'X Ray', 'blue2yellow', 'coolwarm', 'hsv', 'jet', 'rainbow', 'magenta', '2hot'],
       colorMaps: [],
-      rgbPresetName: 'hsv',
+      rgbPresetName: 'siemens',
       range: 40,
       upper: 6,
       isSlideMoving: false,
diff --git a/src/views/trials/trials-panel/reading/dicoms/components/Fusion/js/setPetColorMapTransferFunctionForVolumeActor.js b/src/views/trials/trials-panel/reading/dicoms/components/Fusion/js/setPetColorMapTransferFunctionForVolumeActor.js
index 49f230ff..3aa23daa 100644
--- a/src/views/trials/trials-panel/reading/dicoms/components/Fusion/js/setPetColorMapTransferFunctionForVolumeActor.js
+++ b/src/views/trials/trials-panel/reading/dicoms/components/Fusion/js/setPetColorMapTransferFunctionForVolumeActor.js
@@ -1,8 +1,8 @@
 import vtkColorMaps from '@kitware/vtk.js/Rendering/Core/ColorTransferFunction/ColorMaps'
 import vtkColorTransferFunction from '@kitware/vtk.js/Rendering/Core/ColorTransferFunction'
 import vtkPiecewiseFunction from '@kitware/vtk.js/Common/DataModel/PiecewiseFunction'
-// import { utilities } from '@cornerstonejs/core'
-// const { getColormap } = utilities.colormap
+import { utilities } from '@cornerstonejs/core'
+const { getColormap } = utilities.colormap
 function setPetColorMapTransferFunctionForVolumeActor(
   volumeInfo
 ) {
@@ -11,7 +11,8 @@ function setPetColorMapTransferFunctionForVolumeActor(
   mapper.setSampleDistance(1.0)
 
   const cfun = vtkColorTransferFunction.newInstance()
-  const presetToUse = preset || vtkColorMaps.getPresetByName('hsv')
+  // const presetToUse = preset || vtkColorMaps.getPresetByName('hsv')
+  const presetToUse = preset || getColormap('siemens')
 
   cfun.applyColorMap(presetToUse)