diff --git a/dnsapi/dns_opnsense.sh b/dnsapi/dns_opnsense.sh
index 96d4b788..1c5988d2 100755
--- a/dnsapi/dns_opnsense.sh
+++ b/dnsapi/dns_opnsense.sh
@@ -137,7 +137,7 @@ _get_root() {
   domain=$1
   i=2
   p=1
-  if _opns_rest "GET" "/domain/searchDomain"; then
+  if _opns_rest "GET" "/domain/searchMasterDomain"; then
     _domain_response="$response"
   else
     return 1