diff --git a/lib/pleroma/user.ex b/lib/pleroma/user.ex
index 0e828a99e..19759acec 100644
--- a/lib/pleroma/user.ex
+++ b/lib/pleroma/user.ex
@@ -460,7 +460,7 @@ def get_cached_by_nickname_or_id(nickname_or_id) do
       user = get_cached_by_id(maybe_id)
 
       if user == nil do
-        raise ArgumentError, message: "invalid argument foo"
+        raise ArgumentError, message: "No such user id"
       else
         user
       end