diff --git a/config/test.exs b/config/test.exs
index 04136e1f2..26b5410fe 100644
--- a/config/test.exs
+++ b/config/test.exs
@@ -18,7 +18,7 @@ config :pleroma, Pleroma.Repo,
   username: "postgres",
   password: "postgres",
   database: "pleroma_test",
-  hostname: "localhost",
+  hostname: System.get_env("DB_HOST") || "localhost",
   pool: Ecto.Adapters.SQL.Sandbox