diff --git a/templates/search/index.rs.html b/templates/search/index.rs.html
index 4e84b17b6..84cfbb2a3 100644
--- a/templates/search/index.rs.html
+++ b/templates/search/index.rs.html
@@ -9,44 +9,56 @@ <h1>@i18n!(ctx.1, "Search")</h1>
     @(Input::new("q", "Your query")
         .input_type("search")
         .set_prop("style", "-webkit-appearance: none;")
+        .optional()
         .html(ctx.1))
     <details>
         <summary>@i18n!(ctx.1, "Advanced search")</summary>
 
         @(Input::new("title", i18n!(ctx.1, "Article title matching these words"))
             .set_prop("placeholder", i18n!(ctx.1, "Title"))
+            .optional()
             .html(ctx.1))
         @(Input::new("subtitle", i18n!(ctx.1, "Subtitle matching these words"))
             .set_prop("placeholder", i18n!(ctx.1, "Subtitle"))
+            .optional()
             .html(ctx.1))
         @(Input::new("content", i18n!(ctx.1, "Content macthing these words"))
             .set_prop("placeholder", i18n!(ctx.1, "Body content"))
+            .optional()
             .html(ctx.1))
         @(Input::new("after", i18n!(ctx.1, "From this date"))
             .input_type("date")
             .set_prop("max", now)
+            .optional()
             .html(ctx.1))
         @(Input::new("before", i18n!(ctx.1, "To this date"))
             .input_type("date")
             .set_prop("max", now)
+            .optional()
             .html(ctx.1))
         @(Input::new("tag", i18n!(ctx.1, "Containing these tags"))
             .set_prop("placeholder", i18n!(ctx.1, "Tags"))
+            .optional()
             .html(ctx.1))
         @(Input::new("instance", i18n!(ctx.1, "Posted on one of these instances"))
             .set_prop("placeholder", i18n!(ctx.1, "Instance domain"))
+            .optional()
             .html(ctx.1))
         @(Input::new("author", i18n!(ctx.1, "Posted by one of these authors"))
             .set_prop("placeholder", i18n!(ctx.1, "Author(s)"))
+            .optional()
             .html(ctx.1))
         @(Input::new("blog", i18n!(ctx.1, "Posted on one of these blogs"))
             .set_prop("placeholder", i18n!(ctx.1, "Blog title"))
+            .optional()
             .html(ctx.1))
         @(Input::new("lang", i18n!(ctx.1, "Written in this language"))
             .set_prop("placeholder", i18n!(ctx.1, "Language"))
+            .optional()
             .html(ctx.1))
         @(Input::new("license", i18n!(ctx.1, "Published under this license"))
             .set_prop("placeholder", i18n!(ctx.1, "Article license"))
+            .optional()
             .html(ctx.1))
     </details>
     <input type="submit" value="@i18n!(ctx.1, "Search")"/>