diff --git a/.env.sample b/.env.sample
index cf1c383f..9d6e8dfe 100644
--- a/.env.sample
+++ b/.env.sample
@@ -5,7 +5,7 @@
 # Please use `openssl rand -hex 32` to create SECRET_KEY
 
 DATABASE_URL=postgres://user:pass@localhost:5432/outline
-DATABASE_URL_TEST=postgres://user:pass@localhost/outline-test
+DATABASE_URL_TEST=postgres://user:pass@localhost:5432/outline-test
 SECRET_KEY=generate_a_new_key
 PORT=3000
 REDIS_URL=redis://localhost:6379