diff --git a/lib/philomena_web/controllers/tag_controller.ex b/lib/philomena_web/controllers/tag_controller.ex
index 6ef99cc0..dca8d326 100644
--- a/lib/philomena_web/controllers/tag_controller.ex
+++ b/lib/philomena_web/controllers/tag_controller.ex
@@ -35,7 +35,7 @@ defmodule PhilomenaWeb.TagController do
 
     tag =
       Tag
-      |> where(slug: ^slug)
+      |> where(slug: ^URI.encode(slug))
       |> preload([:aliases, :implied_tags, :implied_by_tags, :dnp_entries, public_links: :user])
       |> Repo.one()