diff --git a/DependencyInjection/Configuration.php b/DependencyInjection/Configuration.php
index d5f211b..ea83cad 100644
--- a/DependencyInjection/Configuration.php
+++ b/DependencyInjection/Configuration.php
@@ -51,14 +51,14 @@ protected function addPaths(ArrayNodeDefinition $node)
                 ->arrayNode('paths')
                 ->addDefaultsIfNotSet()
                     ->children()
-                        ->scalarNode('workspace_directory')->defaultValue('%kernel.root_dir%/supervisor/%kernel.environment%/')->end()
-                        ->scalarNode('configuration_file')->defaultValue('%kernel.root_dir%/supervisor/%kernel.environment%/supervisord.conf')->end()
-                        ->scalarNode('pid_file')->defaultValue('%kernel.root_dir%/supervisor/%kernel.environment%/supervisor.pid')->end()
-                        ->scalarNode('sock_file')->defaultValue('%kernel.root_dir%/supervisor/%kernel.environment%/supervisor.sock')->end()
-                        ->scalarNode('log_file')->defaultValue('%kernel.root_dir%/supervisor/%kernel.environment%/supervisord.log')->end()
-                        ->scalarNode('worker_configuration_directory')->defaultValue('%kernel.root_dir%/supervisor/%kernel.environment%/worker/')->end()
-                        ->scalarNode('worker_output_log_file')->defaultValue('%kernel.root_dir%/supervisor/%kernel.environment%/logs/stdout.log')->end()
-                        ->scalarNode('worker_error_log_file')->defaultValue('%kernel.root_dir%/supervisor/%kernel.environment%/logs/stderr.log')->end()
+                        ->scalarNode('workspace_directory')->defaultValue('%phobetor_rabbitmq_supervisor.project_dir%/supervisor/%kernel.environment%/')->end()
+                        ->scalarNode('configuration_file')->defaultValue('%phobetor_rabbitmq_supervisor.project_dir%/supervisor/%kernel.environment%/supervisord.conf')->end()
+                        ->scalarNode('pid_file')->defaultValue('%phobetor_rabbitmq_supervisor.project_dir%/supervisor/%kernel.environment%/supervisor.pid')->end()
+                        ->scalarNode('sock_file')->defaultValue('%phobetor_rabbitmq_supervisor.project_dir%/supervisor/%kernel.environment%/supervisor.sock')->end()
+                        ->scalarNode('log_file')->defaultValue('%phobetor_rabbitmq_supervisor.project_dir%/supervisor/%kernel.environment%/supervisord.log')->end()
+                        ->scalarNode('worker_configuration_directory')->defaultValue('%phobetor_rabbitmq_supervisor.project_dir%/supervisor/%kernel.environment%/worker/')->end()
+                        ->scalarNode('worker_output_log_file')->defaultValue('%phobetor_rabbitmq_supervisor.project_dir%/supervisor/%kernel.environment%/logs/stdout.log')->end()
+                        ->scalarNode('worker_error_log_file')->defaultValue('%phobetor_rabbitmq_supervisor.project_dir%/supervisor/%kernel.environment%/logs/stderr.log')->end()
                         ->scalarNode('php_executable')->defaultValue('php')->end()
                     ->end()
                 ->end()
diff --git a/DependencyInjection/RabbitMqSupervisorExtension.php b/DependencyInjection/RabbitMqSupervisorExtension.php
index 88b5fb2..1d93243 100644
--- a/DependencyInjection/RabbitMqSupervisorExtension.php
+++ b/DependencyInjection/RabbitMqSupervisorExtension.php
@@ -19,6 +19,12 @@ class RabbitMqSupervisorExtension extends Extension implements PrependExtensionI
      */
     public function load(array $configs, ContainerBuilder $container)
     {
+        if ($container->hasParameter('kernel.root_dir')) {
+            $container->setParameter('phobetor_rabbitmq_supervisor.project_dir', '%kernel.root_dir%/..');
+        } else {
+            $container->setParameter('phobetor_rabbitmq_supervisor.project_dir', '%kernel.project_dir%');
+        }
+
         $configuration = new Configuration();
         $config = $this->processConfiguration($configuration, $configs);
 
diff --git a/README.md b/README.md
index f6dab7f..32d96fa 100644
--- a/README.md
+++ b/README.md
@@ -72,10 +72,8 @@ supervisor/
         ├── queue3.conf
         └── queue4.conf
 ```
-In symfony 2 and 3 this will be placed inside your `app/` directory.
 
-Caution with symfony 4: to not have this inside of your `src/` directory you need to set the paths to suit your needs.
-E. g. to use the standard structure inside of the `var/` directory, use this:
+If you want to use the standard structure inside of the `var/` directory, change the configuration like this:
 ```yml
 rabbit_mq_supervisor:
     paths:
diff --git a/Resources/config/services.yml b/Resources/config/services.yml
index 1374d6b..e7ad7ce 100644
--- a/Resources/config/services.yml
+++ b/Resources/config/services.yml
@@ -16,7 +16,7 @@ services:
             - "%phobetor_rabbitmq_supervisor.rpc_servers%"
             - "%phobetor_rabbitmq_supervisor.config%"
             - "%phobetor_rabbitmq_supervisor.sock_file_permissions%"
-            - "%kernel.root_dir%"
+            - "%phobetor_rabbitmq_supervisor.project_dir%"
             - "%kernel.environment%"
 
     phobetor_rabbitmq_supervisor.supervisor_service:
diff --git a/Services/RabbitMqSupervisor.php b/Services/RabbitMqSupervisor.php
index 636a038..3a10ac4 100644
--- a/Services/RabbitMqSupervisor.php
+++ b/Services/RabbitMqSupervisor.php
@@ -52,7 +52,7 @@ class RabbitMqSupervisor
     /**
      * @var string
      */
-    private $rootDir;
+    private $projectDir;
 
     /**
      * @var string
@@ -76,10 +76,10 @@ class RabbitMqSupervisor
      * @param array $rpcServers
      * @param array $config
      * @param $sockFilePermissions
-     * @param string $kernelRootDir
+     * @param string $projectDir
      * @param string $environment
      */
-    public function __construct(Supervisor $supervisor, array $paths, array $commands, $consumers, $multipleConsumers, $batchConsumers, $rpcServers, $config, $sockFilePermissions, $kernelRootDir, $environment)
+    public function __construct(Supervisor $supervisor, array $paths, array $commands, $consumers, $multipleConsumers, $batchConsumers, $rpcServers, $config, $sockFilePermissions, $projectDir, $environment)
     {
         $this->supervisor = $supervisor;
         $this->paths = $paths;
@@ -90,7 +90,7 @@ public function __construct(Supervisor $supervisor, array $paths, array $command
         $this->rpcServers = $rpcServers;
         $this->config = $config;
         $this->sockFilePermissions = $sockFilePermissions;
-        $this->rootDir = dirname($kernelRootDir);
+        $this->projectDir = $projectDir;
         $this->environment = $environment;
     }
 
@@ -328,7 +328,7 @@ private function generateWorkerConfigurations($names, $baseCommand)
         // try different possible console paths (realpath() will throw away the not existing ones)
         $consolePaths = [];
         foreach (['bin', 'app'] as $consoleDirectory) {
-            $consolePath = sprintf('%s/%s/console', $this->rootDir, $consoleDirectory);
+            $consolePath = sprintf('%s/%s/console', $this->projectDir, $consoleDirectory);
             if (!empty(realpath($consolePath))) {
                 $consolePaths[] = $consolePath;
             }
@@ -336,7 +336,7 @@ private function generateWorkerConfigurations($names, $baseCommand)
 
         // fall back to standard console path if none of the paths was valid
         if (empty($consolePaths)) {
-            $consolePaths[] = sprintf('%s/%s/console', $this->rootDir, 'bin');
+            $consolePaths[] = sprintf('%s/%s/console', $this->projectDir, 'bin');
         }
 
         $executablePath = $consolePaths[0];