diff --git a/charts/dex/resources/allow-dex-external-access.yaml b/charts/dex/resources/allow-dex-external-access.yaml
index db4107a6..a3b3b7ef 100644
--- a/charts/dex/resources/allow-dex-external-access.yaml
+++ b/charts/dex/resources/allow-dex-external-access.yaml
@@ -9,8 +9,8 @@ spec:
     - matchPattern: '*.gitlab.com'
     - matchName: login.microsoftonline.com
     - matchName: graph.microsoft.com
-    - matchName: idp.*.oceanbox.io
-    - matchName: auth.*.oceanbox.io
+    - matchName: 'idp.*.oceanbox.io'
+    - matchName: 'auth.*.oceanbox.io'
   endpointSelector:
     matchLabels:
       app.kubernetes.io/name: cerbos