diff --git a/bin/composer-dependency-analyser b/bin/composer-dependency-analyser
index a93a61d..f79b4f4 100755
--- a/bin/composer-dependency-analyser
+++ b/bin/composer-dependency-analyser
@@ -53,7 +53,7 @@ try {
     InvalidCliException $e
 ) {
     $stdErrPrinter->printLine("\n<red>{$e->getMessage()}</red>" . PHP_EOL);
-    exit(255);
+    exit(1);
 
 } catch (AbortException $e) {
     exit(0);
diff --git a/src/Result/ConsoleFormatter.php b/src/Result/ConsoleFormatter.php
index 67402dc..68af02d 100644
--- a/src/Result/ConsoleFormatter.php
+++ b/src/Result/ConsoleFormatter.php
@@ -211,7 +211,7 @@ private function printResultErrors(
 
         $this->printRunSummary($result);
 
-        return $hasError ? 255 : 0;
+        return $hasError ? 1 : 0;
     }
 
     /**
diff --git a/src/Result/JunitFormatter.php b/src/Result/JunitFormatter.php
index bf94816..7f3b1c0 100644
--- a/src/Result/JunitFormatter.php
+++ b/src/Result/JunitFormatter.php
@@ -131,7 +131,7 @@ public function format(
         $this->printer->print($this->prettyPrintXml($xml));
 
         if ($hasError) {
-            return 255;
+            return 1;
         }
 
         return 0;
diff --git a/tests/BinTest.php b/tests/BinTest.php
index daf16a6..a884f4e 100644
--- a/tests/BinTest.php
+++ b/tests/BinTest.php
@@ -32,19 +32,19 @@ public function test(): void
 
         $this->runCommand('php bin/composer-dependency-analyser', $rootDir, 0, $okOutput, $usingConfig);
         $this->runCommand('php bin/composer-dependency-analyser --verbose', $rootDir, 0, $okOutput, $usingConfig);
-        $this->runCommand('php ../bin/composer-dependency-analyser', $testsDir, 255, null, $noComposerJsonError);
+        $this->runCommand('php ../bin/composer-dependency-analyser', $testsDir, 1, null, $noComposerJsonError);
         $this->runCommand('php bin/composer-dependency-analyser --help', $rootDir, 0, $helpOutput);
         $this->runCommand('php ../bin/composer-dependency-analyser --help', $testsDir, 0, $helpOutput);
         $this->runCommand('php ../bin/composer-dependency-analyser --version', $testsDir, 0, $versionOutput);
         $this->runCommand('php bin/composer-dependency-analyser --composer-json=composer.json', $rootDir, 0, $okOutput, $usingConfig);
-        $this->runCommand('php bin/composer-dependency-analyser --composer-json=composer.lock', $rootDir, 255, null, $noPackagesError);
-        $this->runCommand('php bin/composer-dependency-analyser --composer-json=README.md', $rootDir, 255, null, $parseError);
-        $this->runCommand('php ../bin/composer-dependency-analyser --composer-json=composer.json', $testsDir, 255, null, $noComposerJsonError);
+        $this->runCommand('php bin/composer-dependency-analyser --composer-json=composer.lock', $rootDir, 1, null, $noPackagesError);
+        $this->runCommand('php bin/composer-dependency-analyser --composer-json=README.md', $rootDir, 1, null, $parseError);
+        $this->runCommand('php ../bin/composer-dependency-analyser --composer-json=composer.json', $testsDir, 1, null, $noComposerJsonError);
         $this->runCommand('php ../bin/composer-dependency-analyser --composer-json=../composer.json --config=../composer-dependency-analyser.php', $testsDir, 0, $okOutput, $usingConfig);
         $this->runCommand('php bin/composer-dependency-analyser --composer-json=composer.json --format=console', $rootDir, 0, $okOutput, $usingConfig);
         $this->runCommand('php bin/composer-dependency-analyser --composer-json=composer.json --format=console --dump-usages=symfony/*', $rootDir, 1, $dumpingOutput, $usingConfig);
         $this->runCommand('php bin/composer-dependency-analyser --composer-json=composer.json --format=junit', $rootDir, 0, $junitOutput, $usingConfig);
-        $this->runCommand('php bin/composer-dependency-analyser --composer-json=composer.json --format=junit --dump-usages=symfony/*', $rootDir, 255, null, $junitDumpError);
+        $this->runCommand('php bin/composer-dependency-analyser --composer-json=composer.json --format=junit --dump-usages=symfony/*', $rootDir, 1, null, $junitDumpError);
     }
 
     private function runCommand(