diff --git a/frontend/src/scripts/index.js b/frontend/src/scripts/index.js
index 5ae08d3..369b2e9 100644
--- a/frontend/src/scripts/index.js
+++ b/frontend/src/scripts/index.js
@@ -21,7 +21,7 @@ class Main extends Component {
             status: "",
             faq: false,
             results: [],
-            gallery_open: null,
+            gallery_open: undefined,
             page: window.location.hash,
             photos: [],
             photoIsOpen: false,
@@ -60,7 +60,7 @@ class Main extends Component {
         })
     }
     onHashChange(event){
-        this.setState({page: window.location.hash, gallery_open: null})
+        this.setState({page: window.location.hash, gallery_open: undefined})
     }
     handleChangeFiles(event) {
         this.setState({files: [...event.target.files]})
@@ -111,7 +111,7 @@ class Main extends Component {
         let photos_gallery = [];
         let photos_carousel = [];
         if(this.state.gallery_open){
-            for (const photo of this.state.photos[this.state.gallery_open]){
+            for (const photo of this.state.photos[this.state.gallery_open] || []){
                 photos_gallery.push({
                     src: photo.thumbnail,
                     width: photo.original_width,