diff --git a/project.py b/project.py
index b814742..77a4f57 100755
--- a/project.py
+++ b/project.py
@@ -2187,7 +2187,7 @@
     cmd.append(bundle_dst)
     for f in remote.fetch:
       cmd.append(str(f))
-    cmd.append('refs/tags/*:refs/tags/*')
+    cmd.append('+refs/tags/*:refs/tags/*')
 
     ok = GitCommand(self, cmd, bare=True).Wait() == 0
     if os.path.exists(bundle_dst):
diff --git a/repo b/repo
index 998731c..7e7f13f 100755
--- a/repo
+++ b/repo
@@ -536,7 +536,7 @@
     err = None
   cmd.append(src)
   cmd.append('+refs/heads/*:refs/remotes/origin/*')
-  cmd.append('refs/tags/*:refs/tags/*')
+  cmd.append('+refs/tags/*:refs/tags/*')
 
   proc = subprocess.Popen(cmd, cwd=local, stderr=err)
   if err: