diff --git a/token-validator/main.go b/token-validator/main.go
index cf1b8cb..178c94e 100644
--- a/token-validator/main.go
+++ b/token-validator/main.go
@@ -77,7 +77,7 @@ func main() {
 		adlin.SharedSecret = v
 	}
 	if v, exists := os.LookupEnv("ADLIN_COLLECTOR_SECRET"); !exists {
-		log.Fatal("Please define ADLIN_COLLECTOR_SECRET environment variable")
+		log.Println("Warning: Please define ADLIN_COLLECTOR_SECRET environment variable")
 	} else if t, err := base64.StdEncoding.DecodeString(v); err != nil {
 		log.Fatal("Error reading ADLIN_COLLECTOR_SECRET variable:", err)
 	} else {