diff --git a/htdocs/core/lib/functions.lib.php b/htdocs/core/lib/functions.lib.php
index 300db957b16..adb8f190ef6 100644
--- a/htdocs/core/lib/functions.lib.php
+++ b/htdocs/core/lib/functions.lib.php
@@ -4147,7 +4147,7 @@ function printCommonFooter($zone='private')
 	{
 		$micro_end_time=dol_microtime_float(true);
 		print "\n".'<script type="text/javascript">'."\n";
-		print 'console.log("';
+		print 'window.console && console.log("';
 		if (! empty($conf->global->MEMCACHED_SERVER)) print 'MEMCACHED_SERVER='.$conf->global->MEMCACHED_SERVER.' - ';
 		print 'MAIN_OPTIMIZE_SPEED='.(isset($conf->global->MAIN_OPTIMIZE_SPEED)?$conf->global->MAIN_OPTIMIZE_SPEED:'off');
 		print ' - Build time: '.ceil(1000*($micro_end_time-$micro_start_time)).' ms';