diff --git a/custom_components/aquarea/definitions.py b/custom_components/aquarea/definitions.py
index 9ad236d..d7abd06 100644
--- a/custom_components/aquarea/definitions.py
+++ b/custom_components/aquarea/definitions.py
@@ -355,7 +355,7 @@ def bit_to_bool(value: str) -> Optional[bool]:
 def read_demandcontrol(value: str) -> Optional[int]:
     i = float(value)
     if i >= 43 and i <= 234:
-        return int((i - 43) / (234 - 43) * 100)
+        return round((i - 43) / (234 - 43) * 100)
     return None