diff --git a/README.md b/README.md
index 1c58bb7..1812d00 100644
--- a/README.md
+++ b/README.md
@@ -26,8 +26,8 @@ Self-hosted dynamic DNS php script to update netcup DNS API from Router like AVM
   * only the url needs to be adjusted, the rest is automatically filled by your AVM FRITZ!Box
   * http or https is possible if valid SSL certificate (e.g. Let's Encrypt)
 * Domainname: `<host record that is supposed to be updated>`
-* Username: `<username as defined in update.php>`
-* Password: `<password as definied in update.php>`
+* Username: `<username as defined in .env file>`
+* Password: `<password as definied in .env file>`
 
 # run as cronjob on a **nix based device
 * see [examples](./examples)
@@ -38,4 +38,4 @@ Self-hosted dynamic DNS php script to update netcup DNS API from Router like AVM
 
 ## License
 Published under GNU General Public License v3.0  
-&copy; Felix Kretschmer, 2018
+&copy; Felix Kretschmer, 2019
diff --git a/src/Handler.php b/src/Handler.php
index ec93c7d..ff12360 100644
--- a/src/Handler.php
+++ b/src/Handler.php
@@ -75,6 +75,12 @@ final class Handler
         if (!$this->config->isLog()) {
             return;
         }
+        
+        if (!file_exists($this->config->getLogFile())) {
+			if (!touch($this->config->getLogFile())) {
+				printf('[ERROR] unable to create %s %s', $this->config->getLogFile(), PHP_EOL);
+			}
+        }
 
         // save only the newest 100 log entries for each domain
         $this->log[$this->payload->getDomain()] = array_reverse(array_slice(array_reverse($this->log[$this->payload->getDomain()]), 0, 100));