diff --git a/FHEM/73_ElectricityCalculator.pm b/FHEM/73_ElectricityCalculator.pm
index 2a79f4bfb..dc53735dc 100644
--- a/FHEM/73_ElectricityCalculator.pm
+++ b/FHEM/73_ElectricityCalculator.pm
@@ -689,8 +689,8 @@ sub ElectricityCalculator_Notify($$)
 		my $ElectricityCountReadingTimestampDelta = $ElectricityCountReadingTimestampCurrentRelative - $ElectricityCountReadingTimestampPreviousRelative;
 		Log3 $ElectricityCalcName, 5, $ElectricityCalcName. " : ElectricityCalculator - ElectricityCountReadingTimestampDelta            : " . $ElectricityCountReadingTimestampDelta . " s";
 
-		### Continue with calculations only if time difference is larger than 30 seconds to avoid "Illegal division by zero" and erroneous due to small values for divisor
-		if ($ElectricityCountReadingTimestampDelta > 30)
+		### Continue with calculations only if time difference is larger than 1 seconds to avoid "Illegal division by zero" and erroneous due to small values for divisor
+		if ($ElectricityCountReadingTimestampDelta > 1)
 		{
 			### Calculate DW (electric Energy difference) of previous and current value / [kWh]
 			my $ElectricityCountReadingValueDelta = sprintf('%.3f', ($ElectricityCountReadingValueCurrent - $ElectricityCountReadingValuePrevious));