diff --git a/inc/power.inc.sh b/inc/power.inc.sh
index f01beac0..2e2c6032 100644
--- a/inc/power.inc.sh
+++ b/inc/power.inc.sh
@@ -1448,7 +1448,7 @@ POWERLOGGER_SERVICE(){
 			runEvery=${PW_MYSQL_LOG_INTERVAL_NORMAL}
 		fi
 		echo "HERE1: ${runEvery}"
-		runEvery=$((${runEvery}*60))
+		runEvery=$((runEvery*60))
 		echo "HERE1: ${runEvery}"
 		end=`date +%s`; runtime=$((end-start))
 		echo -e "script runtime: ${runtime}s"; echo "Sleeping for $(expr ${runEvery} - ${runtime})s"