diff --git a/kubernetes/apps/network/external-dns/app/unifi/externalsecret.yaml b/kubernetes/apps/network/external-dns/app/unifi/externalsecret.yaml
index 7e61bbce..b20f2019 100644
--- a/kubernetes/apps/network/external-dns/app/unifi/externalsecret.yaml
+++ b/kubernetes/apps/network/external-dns/app/unifi/externalsecret.yaml
@@ -18,3 +18,7 @@ spec:
   dataFrom:
     - extract:
         key: external-dns-unifi
+      rewrite:
+        - regexp:
+            source: "[-]"
+            target: "_"