diff --git a/plugin/bbb/config.php b/plugin/bbb/config.php
index 602f09e496..1b6eb83ddb 100644
--- a/plugin/bbb/config.php
+++ b/plugin/bbb/config.php
@@ -3,7 +3,7 @@
 
 /* bbb parameters that will be registered in the course settings */
 
-require_once '../../main/inc/global.inc.php';
+require_once __DIR__.'/../../main/inc/global.inc.php';
 require_once 'lib/bbb.lib.php';
 require_once 'lib/bbb_api.php';
-require_once 'lib/bbb_plugin.class.php';
\ No newline at end of file
+require_once 'lib/bbb_plugin.class.php';
diff --git a/plugin/olpc_peru_filter/config.php b/plugin/olpc_peru_filter/config.php
index 8e2e055145..296aea80b5 100644
--- a/plugin/olpc_peru_filter/config.php
+++ b/plugin/olpc_peru_filter/config.php
@@ -3,7 +3,7 @@
 
 /* OLPCPeruFilter parameters that will be registered in the course settings */
 
-require_once '../../main/inc/global.inc.php';
+require_once __DIR__.'/../../main/inc/global.inc.php';
 require_once 'lib/olpc_peru_filter_plugin.class.php';
 
 /**