diff --git a/src/app/CliTools/Console/Command/Common/FixRightsCommand.php b/src/app/CliTools/Console/Command/Common/FixRightsCommand.php
index 624e876..d118991 100644
--- a/src/app/CliTools/Console/Command/Common/FixRightsCommand.php
+++ b/src/app/CliTools/Console/Command/Common/FixRightsCommand.php
@@ -71,6 +71,8 @@ public function execute(InputInterface $input, OutputInterface $output)
                 $this->setRights($entry);
             }
         }
+
+        return 0;
     }
 
     /**
diff --git a/src/app/CliTools/Console/Command/Common/SelfUpdateCommand.php b/src/app/CliTools/Console/Command/Common/SelfUpdateCommand.php
index 6e276ee..469e834 100644
--- a/src/app/CliTools/Console/Command/Common/SelfUpdateCommand.php
+++ b/src/app/CliTools/Console/Command/Common/SelfUpdateCommand.php
@@ -89,5 +89,7 @@ public function execute(InputInterface $input, OutputInterface $output)
         }
 
         $updateService->update($force);
+
+        return 0;
     }
 }
diff --git a/src/app/CliTools/Console/Command/Docker/CleanupCommand.php b/src/app/CliTools/Console/Command/Docker/CleanupCommand.php
index 79eed6d..0709b9c 100644
--- a/src/app/CliTools/Console/Command/Docker/CleanupCommand.php
+++ b/src/app/CliTools/Console/Command/Docker/CleanupCommand.php
@@ -57,6 +57,8 @@ public function execute(InputInterface $input, OutputInterface $output)
         $this->cleanDockerImages();
         $this->cleanDockerVolumes();
         $output->writeln('<comment>Cleanup finished</comment>');
+
+        return 0;
     }
 
     /**
diff --git a/src/app/CliTools/Console/Command/Mysql/BackupCommand.php b/src/app/CliTools/Console/Command/Mysql/BackupCommand.php
index 299b3f2..f56d7ce 100644
--- a/src/app/CliTools/Console/Command/Mysql/BackupCommand.php
+++ b/src/app/CliTools/Console/Command/Mysql/BackupCommand.php
@@ -138,6 +138,8 @@ public function execute(InputInterface $input, OutputInterface $output)
         $command->executeInteractive();
 
         $output->writeln('<h2>Database "' . $database . '" stored to "' . $dumpFile . '"</h2>');
+
+        return 0;
     }
 
     /**
diff --git a/src/app/CliTools/Console/Command/Sync/AbstractCommand.php b/src/app/CliTools/Console/Command/Sync/AbstractCommand.php
index 6cbf250..7093c76 100644
--- a/src/app/CliTools/Console/Command/Sync/AbstractCommand.php
+++ b/src/app/CliTools/Console/Command/Sync/AbstractCommand.php
@@ -409,6 +409,8 @@ public function execute(InputInterface $input, OutputInterface $output)
         }
 
         $this->cleanup();
+
+        return 0;
     }
 
     /**
diff --git a/src/app/CliTools/Console/Command/TYPO3/DomainCommand.php b/src/app/CliTools/Console/Command/TYPO3/DomainCommand.php
index e8f8948..eace3a6 100644
--- a/src/app/CliTools/Console/Command/TYPO3/DomainCommand.php
+++ b/src/app/CliTools/Console/Command/TYPO3/DomainCommand.php
@@ -121,6 +121,8 @@ public function execute(InputInterface $input, OutputInterface $output)
             // ##############
             $this->runTaskForDomain($dbName);
         }
+
+        return 0;
     }
 
     /**
diff --git a/src/app/CliTools/Console/Command/Vagrant/ShareCommand.php b/src/app/CliTools/Console/Command/Vagrant/ShareCommand.php
index 1c2aae4..2b995c8 100644
--- a/src/app/CliTools/Console/Command/Vagrant/ShareCommand.php
+++ b/src/app/CliTools/Console/Command/Vagrant/ShareCommand.php
@@ -189,7 +189,8 @@ public function execute(InputInterface $input, OutputInterface $output)
             $vagrant->addArgument('--ssh-once');
         }
 
-
         $vagrant->executeInteractive($opts);
+
+        return 0;
     }
 }