diff --git a/pkg/webtorrent/crypto.go b/pkg/webtorrent/crypto.go
index 27f21187..3e90fd61 100644
--- a/pkg/webtorrent/crypto.go
+++ b/pkg/webtorrent/crypto.go
@@ -17,7 +17,7 @@ type Cipher struct {
 }
 
 func NewCipher(share, pwd, nonce string) (*Cipher, error) {
-	timestamp, err := strconv.ParseInt(nonce, 36, 0)
+	timestamp, err := strconv.ParseInt(nonce, 36, 64)
 	if err != nil {
 		return nil, err
 	}