diff --git a/ncmd/options.go b/ncmd/options.go
index 6495a34..a166ab4 100644
--- a/ncmd/options.go
+++ b/ncmd/options.go
@@ -6,7 +6,12 @@ import (
 
 func WithOptions(o *Options) Option {
 	return func(opt *Options) {
-		opt = o
+		opt.Marshaler = o.Marshaler
+		opt.DevMode = o.DevMode
+		opt.Buffered = o.Buffered
+		opt.Streaming = o.Streaming
+		opt.LineBufferSize = o.LineBufferSize
+		opt.CombinedOutput = o.CombinedOutput
 	}
 }