diff --git a/DependencyInjection/CompilerPass/CommunityManagerCompilerPass.php b/DependencyInjection/CompilerPass/CommunityManagerCompilerPass.php
index 6f337ab0..14b7003b 100644
--- a/DependencyInjection/CompilerPass/CommunityManagerCompilerPass.php
+++ b/DependencyInjection/CompilerPass/CommunityManagerCompilerPass.php
@@ -60,6 +60,9 @@ private function updateWebspaceConfig($webspaceKey, array $webspaceConfig)
             $webspaceConfig[Configuration::FIREWALL] = $webspaceKey;
         }
 
+        // TODO currently symfony normalize the security firewalls key which will replace "-" with "_".
+        $webspaceConfig[Configuration::FIREWALL] = str_replace('-', '_', $webspaceConfig[Configuration::FIREWALL]);
+
         // Set role by webspace key
         if (null === $webspaceConfig[Configuration::ROLE]) {
             $webspaceConfig[Configuration::ROLE] = ucfirst($webspaceKey) . 'User';
diff --git a/Tests/travis.php.ini b/Tests/travis.php.ini
index 318faae7..606bfe4f 100644
--- a/Tests/travis.php.ini
+++ b/Tests/travis.php.ini
@@ -1,3 +1,3 @@
-memory_limit = 2048M
+memory_limit = 4096M
 xdebug.max_nesting_level = 2048