diff --git a/inc/power.inc.sh b/inc/power.inc.sh
index 6b7d415a..b994606e 100644
--- a/inc/power.inc.sh
+++ b/inc/power.inc.sh
@@ -1442,19 +1442,20 @@ POWERLOGGER_SERVICE(){
 			
 		fi
 		
-		end=`date +%s`; runtime=$((end-start))
-		echo -e "script runtime: ${runtime}s"
-		echo "${log_start}~${runtime}~powerlogger" >> ${PW_LOGFOLDER}/service.scantimes
-		
 		if ([ "$(compgen -G "${PW_TMPFOLDER}/temp.*")" != "" ] && [ "$(compgen -G "${PW_TMPFOLDER}/temp.*CPU*")" = "" ]) || [ "$(compgen -G "${PW_TMPFOLDER}/power.*.low")" != "" ]; then
-			echo "Sleeping for ${PW_MYSQL_LOG_INTERVAL_ABNORMAL}m"
-			sleep ${PW_MYSQL_LOG_INTERVAL_ABNORMAL}m
+			runEvery=${PW_MYSQL_LOG_INTERVAL_ABNORMAL}
 			
 		else
 			echo "Sleeping for ${PW_MYSQL_LOG_INTERVAL_NORMAL}m"
-			sleep ${PW_MYSQL_LOG_INTERVAL_NORMAL}m
-		fi
+			runEvery=${PW_MYSQL_LOG_INTERVAL_NORMAL}
+		fi		
+		runEvery=$(expr ${runEvery} * 60)
 		
+		end=`date +%s`; runtime=$((end-start))
+		echo -e "script runtime: ${runtime}s"; echo "Sleeping for $(expr ${runEvery} - ${runtime})s"
+		echo "${log_start}~${runtime}~powerlogger" >> ${PW_LOGFOLDER}/service.scantimes
+		
+		[ ${runtime} -lt ${runEvery} ] && sleep $(expr ${runEvery} - ${runtime})s
 		
 	done
 }