diff --git a/README.md b/README.md
index dc4ce8f..8cd7541 100644
--- a/README.md
+++ b/README.md
@@ -16,12 +16,10 @@ Project homepage: [https://github.com/iamluc/docker-hostmanager](https://github.
 The easiest way is to use the docker image
 
 ```console
-$ docker run -d --name docker-hostmanager -v /var/run/docker.sock:/var/run/docker.sock -v /etc/hosts:/hosts iamluc/docker-hostmanager
+$ docker run -d --name docker-hostmanager --restart=always -v /var/run/docker.sock:/var/run/docker.sock -v /etc/hosts:/hosts iamluc/docker-hostmanager
 ```
 
-*TIPS*
-
-To start automatically your container with your computer, add the option `--restart=always`
+*Note: the `--restart=always` option will make the container start automatically with your computer (recommended).*
 
 #### Mac OS
 
diff --git a/src/Synchronizer.php b/src/Synchronizer.php
index 2daa3d2..464489e 100644
--- a/src/Synchronizer.php
+++ b/src/Synchronizer.php
@@ -120,7 +120,7 @@ private function getHostsLines(Container $container)
         if (!empty($inspection['NetworkSettings']['IPAddress'])) {
             $ip = $inspection['NetworkSettings']['IPAddress'];
 
-            $lines[] = $ip.' '.implode(' ', $this->getContainerHosts($container));
+            $lines[$ip] = implode(' ', $this->getContainerHosts($container));
         }
 
         // Networks
@@ -136,10 +136,14 @@ private function getHostsLines(Container $container)
                     $hosts[] = $alias.'.'.$networkName;
                 }
 
-                $lines[] = $ip.' '.implode(' ', $hosts);
+                $lines[$ip] = sprintf('%s%s', isset($lines[$ip]) ? $lines[$ip].' ' : '', implode(' ', $hosts));
             }
         }
 
+        array_walk($lines, function (&$host, $ip) {
+            $host = $ip.' '.$host;
+        });
+
         return $lines;
     }