diff --git a/lib/towerops/redis_health_check.ex b/lib/towerops/redis_health_check.ex
index 5dfb549f..0f38bd3d 100644
--- a/lib/towerops/redis_health_check.ex
+++ b/lib/towerops/redis_health_check.ex
@@ -77,7 +77,7 @@ defmodule Towerops.RedisHealthCheck do
 
     # Build connection options
     conn_opts = [
-      host: to_charlist(host),
+      host: host,
       port: port,
       timeout: timeout_ms,
       socket_opts: [keepalive: true]