diff --git a/src/readers.rs b/src/readers.rs
index 99bfa5d..6d91441 100644
--- a/src/readers.rs
+++ b/src/readers.rs
@@ -1133,4 +1133,4 @@ trait DataFind: AsRef<[u8]> {
     }
 }
 
-impl DataFind for [u8] {}
+impl<A: AsRef<[u8]> + ?Sized> DataFind for A {}