diff --git a/fhem/FHEM/24_TPLinkHS110.pm b/fhem/FHEM/24_TPLinkHS110.pm
index a3713b160..b4651170e 100644
--- a/fhem/FHEM/24_TPLinkHS110.pm
+++ b/fhem/FHEM/24_TPLinkHS110.pm
@@ -165,7 +165,7 @@ sub TPLinkHS110_Get($$)
 			my $count=1;
 			$count = @{$json->{'emeter'}->{'get_daystat'}->{'day_list'}};
 			readingsBulkUpdate($hash, "monthly_total", $total);
-			readingsBulkUpdate($hash, "daily_average", $total/$count);
+			if ($count) { readingsBulkUpdate($hash, "daily_average", $total/$count)};
 			1;
 		} or do {
 			Log3 $hash, 3, "TPLinkHS110: $name json-decoding failed. Problem decoding getting statistical data";