diff --git a/templates/upload.html b/templates/upload.html
index bc01d19d932a1a5626162cc78faaea56d67a0213..08b68c31f9bca3c378caa1d492b99d8c896dfe7e 100644
--- a/templates/upload.html
+++ b/templates/upload.html
@@ -27,6 +27,6 @@
 {{ end }}
 
 <form action="/upload/" method="POST" enctype="multipart/form-data">
-    <input type="file" name="file"/>
+    <input type="file" name="file" accept="image/jpeg,image/png,image/bmp,*.jpeg,*.jpg,*.png,*.bmp" multiple/>
     <input type="submit"/>
 </form>
\ No newline at end of file