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 84d5285a..3bf43e90 100644
--- a/src/views/trials/trials-panel/reading/dicoms3D/components/ReadPage.vue
+++ b/src/views/trials/trials-panel/reading/dicoms3D/components/ReadPage.vue
@@ -4244,6 +4244,7 @@ export default {
             if (!res) return false
           }
         }
+        this.fullScreenIndex = null
         if (!data) {
           let { imageOrientationPatient, imagePositionPatient } = this.$refs[`viewport-${this.activeViewportIndex}`][0].imageInfo
           if (!imageOrientationPatient || !imagePositionPatient || imagePositionPatient.length <= 0 || imageOrientationPatient.length <= 0) return this.$confirm(this.$t('trials:reading:confirm:imageNotMPR'), this.$t('system:menu:confirm:title:warning'), {