diff --git a/main-server/config/initializers/redis.rb b/main-server/config/initializers/redis.rb
index 58a1795..1c5f0d9 100644
--- a/main-server/config/initializers/redis.rb
+++ b/main-server/config/initializers/redis.rb
@@ -3,7 +3,7 @@
 # Production: set REDIS_URL env variable, e.g. redis://redis.example.com:6379/0
 
 # Use an isolated Redis logical database in tests to avoid clobbering dev data.
-url = ENV.fetch("REDIS_URL", "redis://localhost:6380/0")
+url = ENV.fetch("REDIS_URL", "redis://localhost:6379/0")
 url = url.sub(%r{/\d+$}, "/15") if Rails.env.test?
 
 RedisConnection = ConnectionPool.new(size: 5, timeout: 5) do