diff --git a/README.md b/README.md
index 604d5b97..c036a644 100644
--- a/README.md
+++ b/README.md
@@ -197,6 +197,7 @@ Environmental variables:
 | `log_call_id`                    | In HTTP mode, when printing a response code, content-length and timing, include the X-Call-Id header at the end of the line in brackets i.e. `[079d9ff9-d7b7-4e37-b195-5ad520e6f797]` or `[none]` when it's empty. Default: `false` |
 | `max_inflight`                   |  Limit the maximum number of requests in flight, and return a HTTP status 429 when exceeded           |
 | `mode`                           |  The mode which of-watchdog operates in, Default `streaming` [see doc](#3-streaming-fork-modestreaming---default). Options are [http](#1-http-modehttp), [serialising fork](#2-serializing-fork-modeserializing), [streaming fork](#3-streaming-fork-modestreaming---default), [static](#4-static-modestatic) |
+| `namespace_mount_path | Path used by the watchdog to lookup the namespace the function is deployed in. | `/var/run/secrets/kubernetes.io/serviceaccount/namespace` |
 | `port`                           |  Specify an alternative TCP port for testing. Default: `8080`            |
 | `prefix_logs`                    |  When set to `true` the watchdog will add a prefix of "Date Time" + "stderr/stdout" to every line read from the function process. Default `true`             |
 | `read_timeout`                   |  HTTP timeout for reading the payload from the client caller (in seconds)          |
diff --git a/executor/jwt_authenticator.go b/executor/jwt_authenticator.go
index 0c05e08d..39b92c9d 100644
--- a/executor/jwt_authenticator.go
+++ b/executor/jwt_authenticator.go
@@ -207,7 +207,12 @@ func getFnName() (string, error) {
 }
 
 func getFnNamespace() (string, error) {
-	nsVal, err := os.ReadFile("/var/run/secrets/kubernetes.io/serviceaccount/namespace")
+	namespacePath := "/var/run/secrets/kubernetes.io/serviceaccount/namespace"
+	if v, ok := os.LookupEnv("namespace_mount_path"); ok && len(v) > 0 {
+		namespacePath = v
+	}
+
+	nsVal, err := os.ReadFile(namespacePath)
 	if err != nil {
 		return "", err
 	}