diff --git a/lib/Command/PreGenerate.php b/lib/Command/PreGenerate.php
index 397653b..c724355 100644
--- a/lib/Command/PreGenerate.php
+++ b/lib/Command/PreGenerate.php
@@ -33,6 +33,9 @@ protected function execute(InputInterface $input, OutputInterface $output): int
 			$this->preGenerateService->preGenerate($output);
 		} catch (EncryptionEnabledException $e) {
 			$output->writeln('<error>Encryption is enabled. Aborted.</error>');
+			return 1;
 		}
+
+		return 0;
 	}
 }