diff --git a/worker/rsync_provider.go b/worker/rsync_provider.go
index aafd761..8009714 100644
--- a/worker/rsync_provider.go
+++ b/worker/rsync_provider.go
@@ -49,6 +49,8 @@ func newRsyncProvider(c rsyncConfig) (*rsyncProvider, error) {
 
 	if c.useIPv6 {
 		options = append(options, "-6")
+	} else {
+		options = append(options, "-4")
 	}
 
 	if c.excludeFile != "" {