diff --git a/phpBB/includes/db/migration/tool/module.php b/phpBB/includes/db/migration/tool/module.php
index 994768598c..8744866a16 100644
--- a/phpBB/includes/db/migration/tool/module.php
+++ b/phpBB/includes/db/migration/tool/module.php
@@ -189,8 +189,14 @@ class phpbb_db_migration_tool_module implements phpbb_db_migration_tool_interfac
 			}
 			$acp_modules = new acp_modules();
 			$module = $acp_modules->get_module_infos($basename, $class);
+			$module = $module[$basename];
 			unset($acp_modules);
 
+			if (empty($module))
+			{
+				throw new phpbb_db_migration_exception('MODULE_INFO_FILE_NOT_EXIST', $class, $basename);
+			}
+
 			$result = '';
 			foreach ($module['modes'] as $mode => $module_info)
 			{
@@ -367,8 +373,14 @@ class phpbb_db_migration_tool_module implements phpbb_db_migration_tool_interfac
 			}
 			$acp_modules = new acp_modules();
 			$module_info = $acp_modules->get_module_infos($basename, $class);
+			$module_info = $module_info[$basename];
 			unset($acp_modules);
 
+			if (empty($module_info))
+			{
+				throw new phpbb_db_migration_exception('MODULE_INFO_FILE_NOT_EXIST', $class, $basename);
+			}
+
 			foreach ($module_info['modes'] as $mode => $info)
 			{
 				if (!isset($module['modes']) || in_array($mode, $module['modes']))