diff --git a/cf-ddns.sh b/cf-ddns.sh
index 0e89bcd..1ce18c6 100644
--- a/cf-ddns.sh
+++ b/cf-ddns.sh
@@ -17,7 +17,8 @@ source "$ENV_FILE"
 : "${CF_TTL:=120}"
 
 # --- Derive zone/record from system hostname ---
-CF_RECORD_NAME="$(hostname -s 2>/dev/null || true)"
+CF_RECORD_NAME="$(hostname -f 2>/dev/null || true)"
+CF_SHORT_NAME="$(hostname -s 2>/dev/null || true)"
 CF_ZONE_NAME="$(hostname -d 2>/dev/null || true)"
 
 [[ -n "$CF_RECORD_NAME" ]] || fail "hostname -s returned empty"
@@ -72,7 +73,7 @@ record_id="$(echo "$record_json" | sed -n 's/.*"id":"\([^"]*\)".*"type":"A".*"na
 # 3) Create payload + create/update
 json_payload() {
   cat <<JSON
-{"type":"A","name":"${CF_RECORD_NAME}","content":"${current_ip}","ttl":${CF_TTL},"proxied":${CF_PROXIED}}
+{"type":"A","name":"${CF_SHORT_NAME}","content":"${current_ip}","ttl":${CF_TTL},"proxied":${CF_PROXIED}}
 JSON
 }