diff --git a/src/Driver/ApcuDriver.php b/src/Driver/ApcuDriver.php
index 98c12b4..8577b76 100644
--- a/src/Driver/ApcuDriver.php
+++ b/src/Driver/ApcuDriver.php
@@ -142,12 +142,7 @@ class ApcuDriver extends AbstractDriver {
 	 */
 	public function flush(): bool
 	{
-		if (function_exists('apcu_clear_cache'))
-		{
-			return apcu_clear_cache();
-		}
-		
-		return TRUE;
+		return apcu_clear_cache();
 	}
 
 	/**
diff --git a/src/Driver/MemcachedDriver.php b/src/Driver/MemcachedDriver.php
index f8ab27e..8776030 100644
--- a/src/Driver/MemcachedDriver.php
+++ b/src/Driver/MemcachedDriver.php
@@ -101,7 +101,8 @@ class MemcachedDriver extends AbstractDriver {
 	 */
 	public function getMultiple(array $keys = []): array
 	{
-		return $this->conn->getMulti($keys);
+		$return = $this->conn->getMulti($keys);
+		return ($return === FALSE) ? [] : $return;
 	}
 
 	/**