diff --git a/application/config/hooks.php b/application/config/hooks.php
index 37e9d3ccc..dfc36793c 100644
--- a/application/config/hooks.php
+++ b/application/config/hooks.php
@@ -27,7 +27,7 @@ $hook['post_controller'] = array(
                                 );
 
 $hook['pre_system'] = function() {
-    $config_path = APPPATH . 'config/';
+    $config_path = APPPATH . (ENVIRONMENT == 'testing') ? 'tests/' : 'config/';
 	try {
 		$dotenv = new Dotenv\Dotenv($config_path);
 		$dotenv->overload();