diff --git a/packed_struct/src/types_num.rs b/packed_struct/src/types_num.rs
index 802b5ab..58c4506 100644
--- a/packed_struct/src/types_num.rs
+++ b/packed_struct/src/types_num.rs
@@ -36,6 +36,12 @@ impl<T, B> Display for Integer<T, B> where T: Display {
     }
 }
 
+impl<T, B> fmt::Binary for Integer<T, B> where T: fmt::Binary {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        self.num.fmt(f)
+    }
+}
+
 #[cfg(feature = "use_serde")]
 mod serialize {
     use serde::ser::{Serialize, Serializer};
@@ -845,4 +851,4 @@ fn test_sign_extension_limits() {
     assert_eq!(*val, i64::MIN);
     let val: Integer<i64, Bits::<64>> = (i64::MAX).into();
     assert_eq!(*val, i64::MAX);
-}
\ No newline at end of file
+}