diff --git a/src/Core/Cache/MemcachedCacheDriver.php b/src/Core/Cache/MemcachedCacheDriver.php
index 819cf71c5c..dda6411a96 100644
--- a/src/Core/Cache/MemcachedCacheDriver.php
+++ b/src/Core/Cache/MemcachedCacheDriver.php
@@ -77,7 +77,7 @@ class MemcachedCacheDriver extends AbstractCacheDriver implements IMemoryCacheDr
 
 	public function clear()
 	{
-		return true;
+		return $this->memcached->flush();
 	}
 
 	/**