diff --git a/lib/logstorage/stats_sum.go b/lib/logstorage/stats_sum.go
index 4ab3dcb64..3173fbb8c 100644
--- a/lib/logstorage/stats_sum.go
+++ b/lib/logstorage/stats_sum.go
@@ -81,7 +81,7 @@ func (ssp *statsSumProcessor) mergeState(sfp statsProcessor) {
 }
 
 func (ssp *statsSumProcessor) finalizeStats() (string, string) {
-	value := strconv.FormatFloat(ssp.sum, 'g', -1, 64)
+	value := strconv.FormatFloat(ssp.sum, 'f', -1, 64)
 	return ssp.ss.resultName, value
 }