diff --git a/lib/Service/Install/InstallService.php b/lib/Service/Install/InstallService.php
index 6a0a0e6402..16c0e5cf2e 100644
--- a/lib/Service/Install/InstallService.php
+++ b/lib/Service/Install/InstallService.php
@@ -379,7 +379,7 @@ public function installJava(?bool $async = false): void {
 	private function getLinuxDistributionToDownloadJava(): string {
 		$distribution = shell_exec('cat /etc/*-release');
 		preg_match('/^ID=(?<version>.*)$/m', $distribution, $matches);
-		if (isset($matches['ID']) && strtolower($matches['ID']) === 'alpine') {
+		if (isset($matches['version']) && strtolower($matches['version']) === 'alpine') {
 			return 'alpine-linux';
 		}
 		return 'linux';