diff --git a/phpbb/di/container_builder.php b/phpbb/di/container_builder.php
index 70ceb9b5..966f6b4e 100644
--- a/phpbb/di/container_builder.php
+++ b/phpbb/di/container_builder.php
@@ -137,9 +137,8 @@ class container_builder
 	{
 		try
 		{
-			$container_filename = $this->get_container_filename();
-			$config_cache = new ConfigCache($container_filename, defined('DEBUG'));
-			if ($this->use_cache && $config_cache->isFresh())
+			$build_container = true;
+			if ($this->use_cache)
 			{
 				if ($this->use_extensions)
 				{
@@ -153,10 +152,17 @@ class container_builder
 					require($this->get_autoload_filename());
 				}
 
-				require($config_cache->getPath());
-				$this->container = new \phpbb_cache_container();
+				$container_filename = $this->get_container_filename();
+				$config_cache = new ConfigCache($container_filename, defined('DEBUG'));
+				if ($config_cache->isFresh())
+				{
+					require($config_cache->getPath());
+					$this->container = new \phpbb_cache_container();
+					$build_container = false;
+				}
 			}
-			else
+
+			if ($build_container)
 			{
 				$this->container_extensions = [
 					new extension\core($this->get_config_path()),