diff --git a/lib/private/Memcache/Factory.php b/lib/private/Memcache/Factory.php
index 28a84308edc47..08f19e11ef35e 100644
--- a/lib/private/Memcache/Factory.php
+++ b/lib/private/Memcache/Factory.php
@@ -95,7 +95,7 @@ public function __construct(string $globalPrefix, ILogger $logger,
 				'{class}' => $distributedCacheClass, '{use}' => 'distributed'
 			]), $missingCacheHint);
 		}
-		if (!($lockingCacheClass && class_exists($distributedCacheClass) && $lockingCacheClass::isAvailable())) {
+		if (!($lockingCacheClass && class_exists($lockingCacheClass) && $lockingCacheClass::isAvailable())) {
 			// don't fallback since the fallback might not be suitable for storing lock
 			$lockingCacheClass = self::NULL_CACHE;
 		}