diff --git a/workflow/engine/methods/cases/cases_Step.php b/workflow/engine/methods/cases/cases_Step.php
index a9d38687c..f43582bd1 100644
--- a/workflow/engine/methods/cases/cases_Step.php
+++ b/workflow/engine/methods/cases/cases_Step.php
@@ -321,7 +321,7 @@
 	        }
 					//END: If there is a Break Step registered from Plugin
 
-          $sFilename = ereg_replace('[^A-Za-z0-9_]', '_', G::replaceDataField($aOD['OUT_DOC_FILENAME'], $Fields['APP_DATA']));
+          $sFilename = preg_replace('[^A-Za-z0-9_]', '_', G::replaceDataField($aOD['OUT_DOC_FILENAME'], $Fields['APP_DATA']));
           if ( $sFilename == '' ) $sFilename='_';
           $pathOutput = PATH_DOCUMENT . $_SESSION['APPLICATION'] . PATH_SEP . 'outdocs'. PATH_SEP ;
           G::mk_dir ( $pathOutput );