diff --git a/htdocs/admin/system/dolibarr.php b/htdocs/admin/system/dolibarr.php
index 2b3bb6e8d21..46ed0c75934 100644
--- a/htdocs/admin/system/dolibarr.php
+++ b/htdocs/admin/system/dolibarr.php
@@ -120,7 +120,7 @@ if (function_exists('curl_init'))
 			print $langs->trans("LastStableVersion").' : <b>'.$langs->trans("UpdateServerOffline").'</b>';
 		}
 	} else {
-		print $langs->trans("LastStableVersion").' : <a href="'.$_SERVER["PHP_SELF"].'?action=getlastversion" class="butAction">'.$langs->trans("Check").'</a>';
+		print $langs->trans("LastStableVersion").' : <a href="'.$_SERVER["PHP_SELF"].'?action=getlastversion" class="butAction smallpaddingimp">'.$langs->trans("Check").'</a>';
 	}
 }