diff --git a/scripts/rename_fw.py b/scripts/rename_fw.py
index 9a3963b6d..f4aad0831 100644
--- a/scripts/rename_fw.py
+++ b/scripts/rename_fw.py
@@ -40,7 +40,7 @@ env.AddPreAction("buildprog", build_web)
 
 # build filename, replacing . with _ for the version
 #env.Replace(PROGNAME="firmware_%s" % branch + "_" + app_version.replace(".", "_"))
-env.Replace(PROGNAME=app_name + "-" + app_version.replace(".", "_"))
+env.Replace(PROGNAME=app_name + "-" + app_version.replace(".", "_") + "-" + branch)
 #env.Replace(PROGNAME=app_name + "-" + app_version)