diff --git a/frontend/src/views/Reader.vue b/frontend/src/views/Reader.vue
index ae7debf..998ebe8 100644
--- a/frontend/src/views/Reader.vue
+++ b/frontend/src/views/Reader.vue
@@ -110,7 +110,7 @@ export default {
       if (image.width < image.height) {
         this.orientation = 'vertical'
       } else if (image.width > image.height) {
-        this.orientation = 'horizonal'
+        this.orientation = 'horizontal'
       } else if (image.width === image.height) {
         this.orientation = 'square'
       }