diff --git a/cmd/echo/BUILD.bazel b/cmd/echo/BUILD.bazel
index 1345e6b..47c7581 100644
--- a/cmd/echo/BUILD.bazel
+++ b/cmd/echo/BUILD.bazel
@@ -1,4 +1,4 @@
-load("@rules_go//go:def.bzl", "go_binary", "go_library", "go_cross_binary")
+load("@rules_go//go:def.bzl", "go_binary", "go_cross_binary", "go_library")
 
 go_library(
     name = "echo_lib",
@@ -6,9 +6,11 @@ go_library(
     importpath = "code.ndumas.com/ndumas/gomud/cmd/echo",
     visibility = ["//visibility:private"],
     deps = [
+        "//:gomud",
+        "//engine",
         "//logger",
         "//telnet",
-        "@com_github_threedotslabs_watermill//:watermill",
+        "@com_github_engoengine_ecs//:ecs",
         "@com_github_threedotslabs_watermill//message",
         "@com_github_threedotslabs_watermill//message/router/middleware",
         "@com_github_threedotslabs_watermill//message/router/plugin",
@@ -21,17 +23,15 @@ go_binary(
     embed = [":echo_lib"],
     visibility = ["//visibility:public"],
     x_defs = {
-        "code.ndumas.com/ndumas/gomud.Version":"STABLE_GIT_VERSION",
-        "code.ndumas.com/ndumas/gomud.Build":"STABLE_GIT_COMMIT",
+        "code.ndumas.com/ndumas/gomud.Version": "STABLE_GIT_VERSION",
+        "code.ndumas.com/ndumas/gomud.Build": "STABLE_GIT_COMMIT",
     },
 )
 
-
-
 go_cross_binary(
-    name  = "cross_binary",
-    target = ":echo",
+    name = "cross_binary",
     sdk_version = "1.21.0",
+    target = ":echo",
 )
 
 load("@rules_pkg//:pkg.bzl", "pkg_tar")
diff --git a/cmd/echo/main.go b/cmd/echo/main.go
index 3d5fe20..d7de1c5 100644
--- a/cmd/echo/main.go
+++ b/cmd/echo/main.go
@@ -87,7 +87,7 @@ func main() {
 	// create the world
 	world := ecs.World{}
 	// create systems
-	world.AddSytem(&engine.TELNETRenderSystem)
+	world.AddSystem(&engine.TELNETRenderSystem{})
 	// load saved state
 
 	for {