diff --git a/utils.go b/utils.go
index 632f8ed1e8d189e79c01ec6a05b08e3371d1c0e6..729dd30909ad63cdcc153bf1d1c98c40d0f557fc 100644
--- a/utils.go
+++ b/utils.go
@@ -470,8 +470,8 @@ func ReadByteArray(br io.Reader, maxlen uint64) ([]byte, error) {
 		return nil, fmt.Errorf("expected cbor type 'byte string' in input")
 	}
 
-	if extra > 256*1024 {
-		return nil, fmt.Errorf("string in cbor input too long")
+	if extra > maxlen {
+		return nil, fmt.Errorf("string in cbor input too long, maxlen: %d", maxlen)
 	}
 
 	buf := make([]byte, extra)