diff --git a/phpgwapi/inc/class.workflow_processmanager.inc.php b/phpgwapi/inc/class.workflow_processmanager.inc.php
index dd90a9266a..c0ca4db8aa 100644
--- a/phpgwapi/inc/class.workflow_processmanager.inc.php
+++ b/phpgwapi/inc/class.workflow_processmanager.inc.php
@@ -2,6 +2,7 @@
 	// include galaxia's configuration tailored to egroupware
 	require_once(PHPGW_API_INC . SEP . 'galaxia_workflow/config.egw.inc.php');
 
+	require_once(GALAXIA_LIBRARY . SEP . 'src' . SEP . 'ProcessManager' . SEP . 'RoleManager.php');
 	require_once(GALAXIA_LIBRARY . SEP . 'src' . SEP . 'ProcessManager' . SEP . 'ProcessManager.php');
 	require_once(GALAXIA_LIBRARY . SEP . 'src' . SEP . 'ProcessManager' . SEP . 'ActivityManager.php');