diff --git a/phpBB/phpbb/storage/adapter_factory.php b/phpBB/phpbb/storage/adapter_factory.php
index 8f66ca5331..429437ab28 100644
--- a/phpBB/phpbb/storage/adapter_factory.php
+++ b/phpBB/phpbb/storage/adapter_factory.php
@@ -59,7 +59,7 @@ class adapter_factory
 		$provider_class = $this->config['storage\\' . $storage_name . '\\adapter'];
 		$provider = $this->providers->get_by_class($provider_class);
 
-		$adapter = $this->adapters->get_by_class($provider->get_class());
+		$adapter = $this->adapters->get_by_class($provider->get_adapter_class());
 		$adapter->configure($this->build_options($storage_name, $provider->get_options()));
 
 		return $adapter;
diff --git a/phpBB/phpbb/storage/provider/provider_interface.php b/phpBB/phpbb/storage/provider/provider_interface.php
index 5632ae6803..439d5a5a7f 100644
--- a/phpBB/phpbb/storage/provider/provider_interface.php
+++ b/phpBB/phpbb/storage/provider/provider_interface.php
@@ -20,7 +20,7 @@ interface provider_interface
 	 *
 	 * @return \phpbb\storage\adapter\adapter_interface
 	 */
-	public function get_class();
+	public function geti_adapter_class();
 
 	/**
 	 * Gets adapter options.