diff --git a/src/Command/ChargeExampleTraceCommand.php b/src/Command/ChargeExampleTraceCommand.php
index 414a1a7..9cef2aa 100644
--- a/src/Command/ChargeExampleTraceCommand.php
+++ b/src/Command/ChargeExampleTraceCommand.php
@@ -44,6 +44,6 @@ class ChargeExampleTraceCommand extends Command
 
         $this->entityManager->flush();
 
-        return 1;
+        return Command::SUCCESS;
     }
 }
diff --git a/src/Command/LoadDefaultCommandsCommand.php b/src/Command/LoadDefaultCommandsCommand.php
index e0f8c72..1127106 100644
--- a/src/Command/LoadDefaultCommandsCommand.php
+++ b/src/Command/LoadDefaultCommandsCommand.php
@@ -89,7 +89,7 @@ class LoadDefaultCommandsCommand extends Command
 
         $this->entityManager->flush();
 
-        return 1;
+        return Command::SUCCESS;
     }
 
 }
\ No newline at end of file
diff --git a/src/Command/LoadDefaultUserGroupsCommand.php b/src/Command/LoadDefaultUserGroupsCommand.php
index 51bc6fe..0c5ab0d 100644
--- a/src/Command/LoadDefaultUserGroupsCommand.php
+++ b/src/Command/LoadDefaultUserGroupsCommand.php
@@ -54,6 +54,6 @@ class LoadDefaultUserGroupsCommand extends Command
 
         $this->entityManager->flush();
 
-        return 1;
+        return Command::SUCCESS;
     }
 }
\ No newline at end of file