1 files changed, 3 insertions, 3 deletions
diff --git a/src/go/collectors/go.d.plugin/modules/nginxvts/config_schema.json b/src/go/collectors/go.d.plugin/modules/nginxvts/config_schema.json
index 488375f7de..40f1463180 100644
--- a/src/go/collectors/go.d.plugin/modules/nginxvts/config_schema.json
+++ b/src/go/collectors/go.d.plugin/modules/nginxvts/config_schema.json
@@ -75,19 +75,19 @@
         "title": "TLS CA",
         "description": "The path to the CA certificate file for TLS verification.",
         "type": "string",
-        "pattern": "^/"
+        "pattern": "^$|^/"
       },
       "tls_cert": {
         "title": "TLS certificate",
         "description": "The path to the client certificate file for TLS authentication.",
         "type": "string",
-        "pattern": "^/"
+        "pattern": "^$|^/"
       },
       "tls_key": {
         "title": "TLS key",
         "description": "The path to the client key file for TLS authentication.",
         "type": "string",
-        "pattern": "^/"
+        "pattern": "^$|^/"
       }
     },
     "required": [