1 files changed, 1 insertions, 1 deletions
diff --git a/cipher.go b/cipher.go
index 37c96f2..89441c3 100644
--- a/cipher.go
+++ b/cipher.go
@@ -30,7 +30,7 @@ func newRabbitAead(key []byte) (cipher.AEAD, error) {
 		noncesize: rabbitio.IVXLen,
 		key:       make([]byte, rabbitio.KeyLen),
 	}
-	copy(rabbitAead.key[:], key)
+	copy(rabbitAead.key, key)
 	return rabbitAead, nil
 
 }