diff --git a/app/Commands/ShareCurrentWorkingDirectoryCommand.php b/app/Commands/ShareCurrentWorkingDirectoryCommand.php
index a610374..6574e88 100644
--- a/app/Commands/ShareCurrentWorkingDirectoryCommand.php
+++ b/app/Commands/ShareCurrentWorkingDirectoryCommand.php
@@ -13,7 +13,7 @@ class ShareCurrentWorkingDirectoryCommand extends ShareCommand
         $this->input->setArgument('host', $host);
 
         if (! $this->option('subdomain')) {
-            $subdomain = str_replace('.', '_', basename(getcwd()));
+            $subdomain = str_replace('.', '-', basename(getcwd()));
             $this->input->setOption('subdomain', $subdomain);
         }