diff --git a/net/ping/ping_darwin.go b/net/ping/ping_darwin.go
index ca91688..2fc6385 100644
--- a/net/ping/ping_darwin.go
+++ b/net/ping/ping_darwin.go
@@ -5,7 +5,7 @@ import (
 	"os/exec"
 )
 
-func Ping(destination string, options Option) (Result, error) {
+func Ping(destination string, option Option) (Result, error) {
 	option.Validate()
 
 	params := make([]string, 0)