diff --git a/workflow/engine/classes/class.wsTools.php b/workflow/engine/classes/class.wsTools.php
index 828c01560..bb75da4d3 100755
--- a/workflow/engine/classes/class.wsTools.php
+++ b/workflow/engine/classes/class.wsTools.php
@@ -640,8 +640,10 @@ class workspaceTools
 
             while ($rs_query->next()) {
                 $row_query = $rs_query->getRow();
-                $oStatement_query = $connection->prepareStatement( "kill ". $row_query['ID'] );
-                $oStatement_query->executeQuery();
+                if($row_query['TIME']>0){
+                   $oStatement_query = $connection->prepareStatement( "kill ". $row_query['ID'] );
+                   $oStatement_query->executeQuery();
+                }
             }
         }
     }