diff --git a/repo b/repo
index c1d8619..13ccd2b 100755
--- a/repo
+++ b/repo
@@ -120,6 +120,7 @@
 
 import errno
 import optparse
+import platform
 import re
 import shutil
 import stat
@@ -887,7 +888,10 @@
   me.extend(orig_args)
   me.extend(extra_args)
   try:
-    os.execv(sys.executable, me)
+    if platform.system() == "Windows":
+      sys.exit(subprocess.call(me))
+    else:
+      os.execv(sys.executable, me)
   except OSError as e:
     _print("fatal: unable to start %s" % repo_main, file=sys.stderr)
     _print("fatal: %s" % e, file=sys.stderr)