diff --git a/core/Command/Integrity/CheckApp.php b/core/Command/Integrity/CheckApp.php
index 0774cca6582a9b162c885b0864dd4286ee598bf9..3e4d8b9cba7547f09a4ea0105135cb853dc3b28d 100644
--- a/core/Command/Integrity/CheckApp.php
+++ b/core/Command/Integrity/CheckApp.php
@@ -66,6 +66,9 @@ class CheckApp extends Base {
 		$path = strval($input->getOption('path'));
 		$result = $this->checker->verifyAppSignature($appid, $path);
 		$this->writeArrayInOutputFormat($input, $output, $result);
+		if (count($result)>0){
+			return 1;
+		}
 	}
 
 }
diff --git a/core/Command/Integrity/CheckCore.php b/core/Command/Integrity/CheckCore.php
index 5aaf9c2dec8770bbd79d6eea5402b8974d4707dc..a3426ce9345c11d616622f45c31f87eed0cffd6f 100644
--- a/core/Command/Integrity/CheckCore.php
+++ b/core/Command/Integrity/CheckCore.php
@@ -60,5 +60,8 @@ class CheckCore extends Base {
 	protected function execute(InputInterface $input, OutputInterface $output) {
 		$result = $this->checker->verifyCoreSignature();
 		$this->writeArrayInOutputFormat($input, $output, $result);
+		if (count($result)>0){
+			return 1;
+		}
 	}
 }