diff --git a/advanced/Scripts/webpage.sh b/advanced/Scripts/webpage.sh
index 6e13d24e..3c76e173 100755
--- a/advanced/Scripts/webpage.sh
+++ b/advanced/Scripts/webpage.sh
@@ -346,7 +346,7 @@ CustomizeAdLists() {
 	elif [[ "${args[2]}" == "disable" ]]; then
 		sed -i "\\@${args[3]}@s/^http/#http/g" "${list}"
 	elif [[ "${args[2]}" == "add" ]]; then
-		if [[ $(grep -c "${args[3]}" "${list}") -eq 0 ]] ; then
+		if [[ $(grep -c "^${args[3]}$" "${list}") -eq 0 ]] ; then
 			echo "${args[3]}" >> ${list}
 		fi
 	elif [[ "${args[2]}" == "del" ]]; then