diff --git a/src/views/trials/trials-panel/reading/dicoms3D/components/ReadPage.vue b/src/views/trials/trials-panel/reading/dicoms3D/components/ReadPage.vue
index 50c8c3c5..7b350554 100644
--- a/src/views/trials/trials-panel/reading/dicoms3D/components/ReadPage.vue
+++ b/src/views/trials/trials-panel/reading/dicoms3D/components/ReadPage.vue
@@ -1959,7 +1959,7 @@ export default {
       if (annotation.metadata.toolName.includes('histogram_')) return this.$refs.histogram.initToolValue(annotation)
       if (this.readingTaskState === 2) return
       if (annotation.metadata.toolName === 'PlanarFreehandROI' && !annotation.data.contour.closed) return
-      let viewportIndex = this.fusion ? 2 : this.activeViewportIndex
+      let viewportIndex = this.isFusion ? 2 : this.activeViewportIndex
       const series = this.$refs[`${this.viewportKey}-${viewportIndex}`][0].series
       if (series && series.TaskInfo.VisitTaskId && series.TaskInfo.VisitTaskId === this.taskInfo.VisitTaskId) {
         const referencedImageId = annotation.metadata.referencedImageId
@@ -2042,7 +2042,7 @@ export default {
       }
       if (annotation.metadata.segmentationId) return
       if (annotation.metadata.toolName === 'PlanarFreehandROI' && !annotation.data.contour.closed) return
-      let viewportIndex = this.fusion ? 2 : this.activeViewportIndex
+      let viewportIndex = this.isFusion ? 2 : this.activeViewportIndex
       const series = this.$refs[`${this.viewportKey}-${viewportIndex}`][0].series
       if (series && series.TaskInfo.VisitTaskId && series.TaskInfo.VisitTaskId === this.taskInfo.VisitTaskId) {
         const referencedImageId = annotation.metadata.referencedImageId