diff --git a/localdev/kubechecks/values.yaml b/localdev/kubechecks/values.yaml
index 9e5473e3..208be89a 100644
--- a/localdev/kubechecks/values.yaml
+++ b/localdev/kubechecks/values.yaml
@@ -1,6 +1,8 @@
 configMap:
   create: true
   env:
+    GRPC_ENFORCE_ALPN_ENABLED: false
+    KUBECHECKS_ALLOWED_NAMESPACES: httpbin,httpdump-a
     KUBECHECKS_LOG_LEVEL: debug
     KUBECHECKS_ENABLE_WEBHOOK_CONTROLLER: "false"
     KUBECHECKS_ARGOCD_API_INSECURE: "true"
diff --git a/pkg/config/config.go b/pkg/config/config.go
index b158cf93..923d9b15 100644
--- a/pkg/config/config.go
+++ b/pkg/config/config.go
@@ -105,6 +105,11 @@ func NewWithViper(v *viper.Viper) (ServerConfig, error) {
 				return time.ParseDuration(input)
 			}
 
+			if in.String() == "string" && out.String() == "[]string" {
+				input := value.(string)
+				return []string{input}, nil
+			}
+
 			return value, nil
 		}
 	}); err != nil {