diff --git a/src/args/protomask.rs b/src/args/protomask.rs
index 80005e8..90a120f 100644
--- a/src/args/protomask.rs
+++ b/src/args/protomask.rs
@@ -101,4 +101,4 @@ impl From<StaticMap> for (Ipv4Addr, Ipv6Addr) {
     fn from(val: StaticMap) -> Self {
         (val.ipv4, val.ipv6)
     }
-}
\ No newline at end of file
+}