diff --git a/phpBB/phpbb/di/container_builder.php b/phpBB/phpbb/di/container_builder.php
index ac1a1a1733..8c1ce8bde2 100644
--- a/phpBB/phpbb/di/container_builder.php
+++ b/phpBB/phpbb/di/container_builder.php
@@ -143,6 +143,13 @@ class container_builder
 			{
 				if ($this->use_extensions)
 				{
+					$autoload_cache = new ConfigCache($this->get_autoload_filename(), defined('DEBUG'));
+					if (!$autoload_cache->isFresh())
+					{
+						// autoload cache should be refreshed
+						$this->load_extensions();
+					}
+
 					require($this->get_autoload_filename());
 				}
 
diff --git a/phpBB/phpbb/filesystem/filesystem.php b/phpBB/phpbb/filesystem/filesystem.php
index 3f39448f05..bfafdf5ddd 100644
--- a/phpBB/phpbb/filesystem/filesystem.php
+++ b/phpBB/phpbb/filesystem/filesystem.php
@@ -367,7 +367,7 @@ class filesystem implements filesystem_interface
 				$common_php_group	= @filegroup(__FILE__);
 
 				// And the owner and the groups PHP is running under.
-				$php_uid	= (function_exists('posic_getuid')) ? @posix_getuid() : false;
+				$php_uid	= (function_exists('posix_getuid')) ? @posix_getuid() : false;
 				$php_gids	= (function_exists('posix_getgroups')) ? @posix_getgroups() : false;
 
 				// If we are unable to get owner/group, then do not try to set them by guessing