diff --git a/Makefile b/Makefile
index b7b386f..02e8493 100644
--- a/Makefile
+++ b/Makefile
@@ -20,5 +20,5 @@ docker:
 	docker run --rm \
 		--name asynqmon \
 		-p 8080:8080 \
-		asynqmon --redis_addr=host.docker.internal:6379
+		asynqmon --redis-addr=host.docker.internal:6379