diff --git a/src/mac.rs b/src/mac.rs
index 8f61141..1733b70 100644
--- a/src/mac.rs
+++ b/src/mac.rs
@@ -45,7 +45,7 @@ pub struct MacAddress {
 
 impl MacAddress {
     pub fn from_string(s: &str) -> Result<Self, ParseError> {
-        let split: Result<Vec<_>, _> = s.split(":")
+        let split: Result<Vec<_>, _> = s.split(|c| c == ':' || c == '-')
             .map(|b| u8::from_str_radix(b, 16))
             .collect();
         match split {