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 64b09e8d..966700e6 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
@@ -631,6 +631,9 @@ export default {
     })
   },
   beforeDestroy() {
+    if (this.screenshotWindow) {
+      this.screenshotWindow.close()
+    }
     cornerstoneTools.destroy()
     eventTarget.reset()
     cache.purgeCache()