diff --git a/htdocs/societe/card.php b/htdocs/societe/card.php
index d0f0bdeb1b8..d3cd26f8115 100644
--- a/htdocs/societe/card.php
+++ b/htdocs/societe/card.php
@@ -2719,7 +2719,7 @@ else
 
 			$MAXEVENT = 10;
 
-            $morehtmlright.= dolGetButtonTitle($langs->trans('SeeAll'), '', 'fa fa-list-alt', DOL_URL_ROOT.'/societe/agenda.php?socid='.$object->id);
+            $morehtmlright = dolGetButtonTitle($langs->trans('SeeAll'), '', 'fa fa-list-alt', DOL_URL_ROOT.'/societe/agenda.php?socid='.$object->id);
 
 			// List of actions on element
 			include_once DOL_DOCUMENT_ROOT . '/core/class/html.formactions.class.php';