diff --git a/client.go b/client.go
index f152fe9..85197c9 100644
--- a/client.go
+++ b/client.go
@@ -29,7 +29,7 @@ func New(auth, baseURL string) (*Client, error) {
 	}
 	key := ""
 	if strings.Contains(auth, ":") {
-		split := strings.Split(auth, ":")
+		split := strings.SplitN(auth, ":", 2)
 		u.User = url.UserPassword(split[0], split[1])
 	} else {
 		key = fmt.Sprintf("Bearer %s", auth)