diff --git a/src/main.rs b/src/main.rs
index 350d1a9..20f64d1 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,9 +1,22 @@
+use std::env;
+
 mod mac;
 mod magic;
 
 
 fn main() {
-    let mac = mac::MacAddress::from_string("0c:9d:92:0e:3a:41").unwrap();
-    let packet = magic::MagicPacket::new(&mac);
-    packet.send().unwrap();
+    let mut args = env::args();
+    args.next();
+    for arg in args {
+        let mac = match mac::MacAddress::from_string(&arg) {
+            Ok(m) => m,
+            Err(e) => {
+                eprintln!("Invalid address: {} ({})", &arg, e);
+                continue;
+            },
+        };
+        let packet = magic::MagicPacket::new(&mac);
+        println!("Sending magic packet to {}", mac);
+        packet.send().unwrap();
+    }
 }