diff --git a/pandora_console/godmode/wizards/HostDevices.class.php b/pandora_console/godmode/wizards/HostDevices.class.php
index 14ff80b163..7abfe15d5d 100755
--- a/pandora_console/godmode/wizards/HostDevices.class.php
+++ b/pandora_console/godmode/wizards/HostDevices.class.php
@@ -339,7 +339,7 @@ class HostDevices extends Wizard
 
                     // Forbidden chars cleaning.
                     foreach ($network as $key => $singleNetwork) {
-                        $network[$key] = preg_replace('/[A-Za-z-()\']/', '', $singleNetwork);
+                        $network[$key] = preg_replace('/[-()\']/', '', $singleNetwork);
                     }
 
                     unlink($_FILES['network_csv']['tmp_name']);