diff --git a/src/EEHGMaster.py b/src/EEHGMaster.py
index 97c5f8c770231086e20e8fcbf8ac7ee61d95a722..38ee7542c69686d49e828a69fdf98c0c5eb87b96 100755
--- a/src/EEHGMaster.py
+++ b/src/EEHGMaster.py
@@ -2074,8 +2074,8 @@ class EEHGMaster(Device):
 #                    il n.10 e` per il seed 2, mentre in n.9 e` per il seed 1.
 
                     att_pl = self.lambda_s2.get_properties()
-                    att_pl.min_value = str(attrs[10].value[0])
-                    att_pl.max_value = str(attrs[10].value[1])
+                    att_pl.min_value = str(attrs[10].value[0]/2)
+                    att_pl.max_value = str(attrs[10].value[1]/2)    # il /due dipende dall'OPA
                     self.lambda_s2.set_properties(att_pl)
 
             except tango.DevFailed: