diff --git a/src/Resources/config/executor/separate.xml b/src/Resources/config/executor/separate.xml
index 040a447..14e520e 100644
--- a/src/Resources/config/executor/separate.xml
+++ b/src/Resources/config/executor/separate.xml
@@ -11,7 +11,7 @@
 
         <service id="task.executor.separate.process_factory" class="Task\TaskBundle\Executor\ExecutionProcessFactory">
             <argument type="string">%task.executor.console_path%</argument>
-            <argument type="string">%kernel.environment%%</argument>
+            <argument type="string">%kernel.environment%</argument>
         </service>
     </services>
 </container>