diff --git a/lib/pleroma/web/common_api/utils.ex b/lib/pleroma/web/common_api/utils.ex
index 667027c02..4cbbd0c7d 100644
--- a/lib/pleroma/web/common_api/utils.ex
+++ b/lib/pleroma/web/common_api/utils.ex
@@ -126,6 +126,7 @@ def format_input(text, mentions, tags, "text/markdown") do
     |> String.replace(~r/\r?\n/, "")
     |> (&{[], &1}).()
     |> Formatter.add_user_links(mentions)
+    |> Formatter.add_hashtag_links(tags)
     |> Formatter.finalize()
   end