diff --git a/frontend/src/components/files/Preview.vue b/frontend/src/components/files/Preview.vue
index 7a2ded1b..0ae10e32 100644
--- a/frontend/src/components/files/Preview.vue
+++ b/frontend/src/components/files/Preview.vue
@@ -103,7 +103,7 @@ export default {
     }
   },
   computed: {
-    ...mapState(['req', 'user', 'oldReq', 'jwt', 'loading']),
+    ...mapState(['req', 'user', 'oldReq', 'jwt', 'loading', 'show']),
     hasPrevious () {
       return (this.previousLink !== '')
     },
@@ -159,6 +159,10 @@ export default {
     key (event) {
       event.preventDefault()
 
+      if (this.show !== null) {
+        return
+      }
+
       if (event.which === 13 || event.which === 39) { // right arrow
         if (this.hasNext) this.next()
       } else if (event.which === 37) { // left arrow