diff --git a/plugins/dynamix.docker.manager/DockerContainers.page b/plugins/dynamix.docker.manager/DockerContainers.page
index 70daba856..de42cf1d9 100644
--- a/plugins/dynamix.docker.manager/DockerContainers.page
+++ b/plugins/dynamix.docker.manager/DockerContainers.page
@@ -26,7 +26,7 @@ $cpus    = cpu_list();
 
 // adjust the text color in log window
 $fgcolor = in_array($theme,['white','azure']) ? '#1c1c1c' : '#f2f2f2';
-exec("sed -ri 's/^\.logLine\{color:#......;/.logLine{color:$fgcolor;/' $docroot/plugins/dynamix.docker.manager/log.htm");
+exec("sed -ri 's/^\.logLine\{color:#......;/.logLine{color:$fgcolor;/' $docroot/plugins/dynamix.docker.manager/log.htm >/dev/null &");
 ?>
 <link type="text/css" rel="stylesheet" href="<?autov('/webGui/styles/jquery.ui.css')?>">
 <link type="text/css" rel="stylesheet" href="<?autov('/webGui/styles/jquery.switchbutton.css')?>">