diff --git a/script/local.py b/script/local.py
index d8ae499..acf5bd8 100644
--- a/script/local.py
+++ b/script/local.py
@@ -114,7 +114,7 @@ def plot_file(file, ctxt = None):
 def has_beam():
     """
     """
-    return beam_status.readback.read() !="Machine Down"
+    return beam_status.readback.read() == "Light Available"
 
 def is_id_error():
     return (id_error.read()==0)