diff --git a/lib/private/Updater.php b/lib/private/Updater.php
index 3f4e54cf803ad007e7b40ecc0ebcf0dbe5dc5122..30a9a80cef4d993cb67a9d6e8b28ee36f56c347c 100644
--- a/lib/private/Updater.php
+++ b/lib/private/Updater.php
@@ -163,7 +163,7 @@ class Updater extends BasicEmitter {
 		// this should really be a JSON file
 		require \OC::$SERVERROOT . '/version.php';
 		/** @var array $OC_VersionCanBeUpgradedFrom */
-		return implode('.', $OC_VersionCanBeUpgradedFrom);
+		return $OC_VersionCanBeUpgradedFrom;
 	}
 
 	/**