diff --git a/app/templates/users/settings.html b/app/templates/users/settings.html
index b4f65a8..486f3c4 100644
--- a/app/templates/users/settings.html
+++ b/app/templates/users/settings.html
@@ -15,7 +15,7 @@
     <span class="avatar-form-controls">
       <label for="avatar" class="linkbutton alt">Upload&hellip;</label>
       <span class="avatar-form-size-label">1MB max. Will be cropped to square.</span>
-      <input type="file" style="display: none;" id="avatar" name="avatar" accept="image/*">
+      <input type="file" style="display: none;" id="avatar" name="avatar" accept="image/*" required>
       <input type="submit" value="Save">
       <input type="submit" class="warn" value="Clear" formaction="{{url_for('users.clear_avatar', username=user.username)}}">
     </span>