diff --git a/install-dsmon.sh b/install-dsmon.sh
index d3d9d54..dd91332 100755
--- a/install-dsmon.sh
+++ b/install-dsmon.sh
@@ -54,7 +54,7 @@ for ((i = 0 ; i <= $((${NUMDRIVES}-1)) ; i++)); do
 		systempartition=true
 	elif [ "${ia}" = "mmcblk0p1" ] && [ ${DRIVEINFO[$((${ii}+1))]} -lt 1024 ]; then
 		systempartition=true
-	else
+	elif [ "${ia}" != "overlay" ]; then
 		#echo "${ia};${ib};${ic}"
 		
 		THRESHOLDSPACE=$(bc <<< "scale=2; ${ib}*.8")