diff --git a/apps/files_external/lib/config.php b/apps/files_external/lib/config.php
index 12836c7b88c169b78cb9f776cc4a82bfd9e27594..122cc57debc9f607d37edf491f20893004568dd1 100755
--- a/apps/files_external/lib/config.php
+++ b/apps/files_external/lib/config.php
@@ -431,7 +431,7 @@ class OC_Mount_Config {
 	 */
 	public static function checksmbclient() {
 		if(function_exists('shell_exec')) {
-			$output=shell_exec('which smbclient');
+			$output=shell_exec('which smbclient 2> /dev/null');
 			return !empty($output);
 		}else{
 			return false;