diff --git a/htdocs/accountancy/admin/index.php b/htdocs/accountancy/admin/index.php
index 00922f90454..64ebf2d1ab0 100644
--- a/htdocs/accountancy/admin/index.php
+++ b/htdocs/accountancy/admin/index.php
@@ -7,6 +7,7 @@
  * Copyright (C) 2014      Juanjo Menent        <jmenent@2byte.es>
  * Copyright (C) 2015      Jean-François Ferry  <jfefe@aternatik.fr>
  * Copyright (C) 2017      Laurent Destailleur  <eldy@destailleur.fr>
+ * Copyright (C) 2021      Ferran Marcet        <fmarcet@2byte.es>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -385,11 +386,11 @@ foreach ($list_binding as $key)
 print '<tr class="oddeven">';
 print '<td>'.$langs->trans("ACCOUNTING_DISABLE_BINDING_ON_SALES").'</td>';
 if (!empty($conf->global->ACCOUNTING_DISABLE_BINDING_ON_SALES)) {
-	print '<td class="right"><a class="reposition" href="'.$_SERVER['PHP_SELF'].'?token='.newToken().'&disablebindingonsales&value=0">';
+	print '<td class="right"><a class="reposition" href="'.$_SERVER['PHP_SELF'].'?token='.newToken().'&action=setdisablebindingonsales&value=0">';
 	print img_picto($langs->trans("Activated"), 'switch_on');
 	print '</a></td>';
 } else {
-	print '<td class="right"><a class="reposition" href="'.$_SERVER['PHP_SELF'].'?token='.newToken().'&disablebindingonsales&value=1">';
+	print '<td class="right"><a class="reposition" href="'.$_SERVER['PHP_SELF'].'?token='.newToken().'&action=setdisablebindingonsales&value=1">';
 	print img_picto($langs->trans("Disabled"), 'switch_off');
 	print '</a></td>';
 }
@@ -398,11 +399,11 @@ print '</tr>';
 print '<tr class="oddeven">';
 print '<td>'.$langs->trans("ACCOUNTING_DISABLE_BINDING_ON_PURCHASES").'</td>';
 if (!empty($conf->global->ACCOUNTING_DISABLE_BINDING_ON_PURCHASES)) {
-	print '<td class="right"><a class="reposition" href="'.$_SERVER['PHP_SELF'].'?token='.newToken().'&disablebindingonpurchases&value=0">';
+	print '<td class="right"><a class="reposition" href="'.$_SERVER['PHP_SELF'].'?token='.newToken().'&action=setdisablebindingonpurchases&value=0">';
 	print img_picto($langs->trans("Activated"), 'switch_on');
 	print '</a></td>';
 } else {
-	print '<td class="right"><a class="reposition" href="'.$_SERVER['PHP_SELF'].'?token='.newToken().'&disablebindingonpurchases&value=1">';
+	print '<td class="right"><a class="reposition" href="'.$_SERVER['PHP_SELF'].'?token='.newToken().'&action=setdisablebindingonpurchases&value=1">';
 	print img_picto($langs->trans("Disabled"), 'switch_off');
 	print '</a></td>';
 }
@@ -411,11 +412,11 @@ print '</tr>';
 print '<tr class="oddeven">';
 print '<td>'.$langs->trans("ACCOUNTING_DISABLE_BINDING_ON_EXPENSEREPORTS").'</td>';
 if (!empty($conf->global->ACCOUNTING_DISABLE_BINDING_ON_EXPENSEREPORTS)) {
-	print '<td class="right"><a class="reposition" href="'.$_SERVER['PHP_SELF'].'?token='.newToken().'&disablebindingonexpensereports&value=0">';
+	print '<td class="right"><a class="reposition" href="'.$_SERVER['PHP_SELF'].'?token='.newToken().'&action=setdisablebindingonexpensereports&value=0">';
 	print img_picto($langs->trans("Activated"), 'switch_on');
 	print '</a></td>';
 } else {
-	print '<td class="right"><a class="reposition" href="'.$_SERVER['PHP_SELF'].'?token='.newToken().'&disablebindingonexpensereports&value=1">';
+	print '<td class="right"><a class="reposition" href="'.$_SERVER['PHP_SELF'].'?token='.newToken().'&action=setdisablebindingonexpensereports&value=1">';
 	print img_picto($langs->trans("Disabled"), 'switch_off');
 	print '</a></td>';
 }
diff --git a/htdocs/core/lib/functions.lib.php b/htdocs/core/lib/functions.lib.php
index 052e5e3efc9..b63f9d72f26 100644
--- a/htdocs/core/lib/functions.lib.php
+++ b/htdocs/core/lib/functions.lib.php
@@ -8387,6 +8387,7 @@ function dol_mimetype($file, $default = 'application/octet-stream', $mode = 0)
 	// Audio
 	if (preg_match('/\.(mp3|ogg|au|wav|wma|mid)$/i', $tmpfile)) { $mime = 'audio'; $imgmime = 'audio.png'; $famime = 'file-audio-o'; }
 	// Video
+	if (preg_match('/\.mp4$/i', $tmpfile)) { $mime = 'video/mp4'; $imgmime = 'video.png'; $famime = 'file-video-o'; }
 	if (preg_match('/\.ogv$/i', $tmpfile)) { $mime = 'video/ogg'; $imgmime = 'video.png'; $famime = 'file-video-o'; }
 	if (preg_match('/\.webm$/i', $tmpfile)) { $mime = 'video/webm'; $imgmime = 'video.png'; $famime = 'file-video-o'; }
 	if (preg_match('/\.avi$/i', $tmpfile)) { $mime = 'video/x-msvideo'; $imgmime = 'video.png'; $famime = 'file-video-o'; }
diff --git a/htdocs/modulebuilder/template/core/boxes/mymodulewidget1.php b/htdocs/modulebuilder/template/core/boxes/mymodulewidget1.php
index e356792ed42..46fe523600d 100644
--- a/htdocs/modulebuilder/template/core/boxes/mymodulewidget1.php
+++ b/htdocs/modulebuilder/template/core/boxes/mymodulewidget1.php
@@ -206,6 +206,6 @@ class mymodulewidget1 extends ModeleBoxes
 	{
 		// You may make your own code here…
 		// … or use the parent's class function using the provided head and contents templates
-		parent::showBox($this->info_box_head, $this->info_box_contents);
+		return parent::showBox($this->info_box_head, $this->info_box_contents, $nooutput);
 	}
 }