diff --git a/htdocs/accountancy/bookkeeping/balance.php b/htdocs/accountancy/bookkeeping/balance.php
index 1d210e74d8a..15b435d45c8 100644
--- a/htdocs/accountancy/bookkeeping/balance.php
+++ b/htdocs/accountancy/bookkeeping/balance.php
@@ -235,10 +235,18 @@ if ($action != 'export_csv') {
 	print '<input type="hidden" name="sortorder" value="'.$sortorder.'">';
 	print '<input type="hidden" name="page" value="'.$page.'">';
 
-	$parameters = array();
-	$reshook = $hookmanager->executeHooks('addMoreActionsButtons', $parameters, $object, $action); // Note that $action and $object may have been modified by hook
-	if (empty($reshook)) {
-		$button = '<input type="button" id="exportcsvbutton" name="exportcsvbutton" class="butAction" value="'.$langs->trans("Export").' ('.$conf->global->ACCOUNTING_EXPORT_FORMAT.')" />';
+	
+    $parameters = array();
+    $reshook = $hookmanager->executeHooks('addMoreActionsButtons', $parameters, $object, $action); // Note that $action and $object may have been modified by hook
+
+    if ($reshook < 0) {
+        setEventMessages($hookmanager->error, $hookmanager->errors, 'errors');
+    }
+
+    $button = empty($hookmanager->resPrint) ? '' : $hookmanager->resPrint;
+
+    if (empty($reshook)) {
+		$button .= '<input type="button" id="exportcsvbutton" name="exportcsvbutton" class="butAction" value="'.$langs->trans("Export").' ('.$conf->global->ACCOUNTING_EXPORT_FORMAT.')" />';
 
 		print '<script type="text/javascript" language="javascript">
 		jQuery(document).ready(function() {