diff --git a/py/libs/firm_lib.py b/py/libs/firm_lib.py
index 10a50a5..730c00b 100644
--- a/py/libs/firm_lib.py
+++ b/py/libs/firm_lib.py
@@ -318,6 +318,7 @@ def update_device(dev,q):
         pass
     #get correct firmware from db for updating
     firm=False
+    firm2=False
     if ISPRO:
         firm,firm2=utilpro.safe_check(dev,_installed_version,ver_to_install)
     elif arch and arch!='':