diff --git a/apps/nspanel-lovelace-ui/luibackend/pages.py b/apps/nspanel-lovelace-ui/luibackend/pages.py
index 3dea7ce2..08ddaf51 100644
--- a/apps/nspanel-lovelace-ui/luibackend/pages.py
+++ b/apps/nspanel-lovelace-ui/luibackend/pages.py
@@ -400,7 +400,9 @@ class LuiPagesGen(object):
             dest_temp2   = ""
             if dest_temp is None:
                 dest_temp    = get_attr_safe(entity, "target_temp_high", 0)
-                dest_temp2   = int(get_attr_safe(entity, "target_temp_low", 0)*10)
+                dest_temp2   = get_attr_safe(entity, "target_temp_low", None)
+                if dest_temp2 != None and dest_temp2 != "null":
+                    dest_temp2   = int(dest_temp2*10)
             dest_temp    = int(dest_temp*10)
 
             hvac_action  = get_attr_safe(entity, "hvac_action", "")