diff --git a/lib/pleroma/web/activity_pub/activity_pub.ex b/lib/pleroma/web/activity_pub/activity_pub.ex
index 68494f047..15f298bb8 100644
--- a/lib/pleroma/web/activity_pub/activity_pub.ex
+++ b/lib/pleroma/web/activity_pub/activity_pub.ex
@@ -605,7 +605,7 @@ def fetch_user_activities(user, reading_user, params \\ %{}) do
 
     pagination_type =
       cond do
-        is_nil(params[:offset]) -> :keyset
+        !Map.has_key?(params, :offset) -> :keyset
         true -> :offset
       end