diff --git a/acme.sh b/acme.sh
index 51d6f886..f03d79d4 100755
--- a/acme.sh
+++ b/acme.sh
@@ -1,6 +1,6 @@
 #!/usr/bin/env sh
 
-VER=3.1.0
+VER=3.1.1
 
 PROJECT_NAME="acme.sh"
 
@@ -921,6 +921,9 @@ _sed_i() {
   if sed -h 2>&1 | grep "\-i\[SUFFIX]" >/dev/null 2>&1; then
     _debug "Using sed  -i"
     sed -i "$options" "$filename"
+  elif sed -h 2>&1 | grep "\-i extension" >/dev/null 2>&1; then
+    _debug "Using FreeBSD sed -i"
+    sed -i "" "$options" "$filename"
   else
     _debug "No -i support in sed"
     text="$(cat "$filename")"
diff --git a/dnsapi/dns_world4you.sh b/dnsapi/dns_world4you.sh
index 0febbad9..46cdc4fe 100644
--- a/dnsapi/dns_world4you.sh
+++ b/dnsapi/dns_world4you.sh
@@ -202,7 +202,7 @@ _get_paketnr() {
   fqdn="$1"
   form="$2"
 
-  domains=$(echo "$form" | grep '<ul class="nav header-paket-list">' | sed 's/<li/\n<li/g' | sed 's/<[^>]*>/ /g' | sed 's/^.*>\([^>]*\)$/\1/')
+  domains=$(echo "$form" | grep 'paketListData' | grep -o '"fqdn":"[^"]*"' | sed 's/.*:"\(.*\)"/\1/')
   _debug domains "$domains"
   domain=''
   for domain in $domains; do
@@ -218,7 +218,7 @@ _get_paketnr() {
   TLD="$domain"
   _debug domain "$domain"
   RECORD=$(echo "$fqdn" | cut -c"1-$((${#fqdn} - ${#TLD} - 1))")
-  PAKETNR=$(echo "$domains" | grep -o " $domain.*" | sed 's/^[^,]*, *\([0-9]*\).*$/\1/')
+  PAKETNR=$(echo "$form" | grep -o "\"id\":[^{}]*\"fqdn\":\"$domain\"" | sed 's/"id":\([0-9]*\).*$/\1/')
   return 0
 }