diff --git a/view/theme/frio/templates/msg-header.tpl b/view/theme/frio/templates/msg-header.tpl
index 97aa5a64fc..209010d7ac 100644
--- a/view/theme/frio/templates/msg-header.tpl
+++ b/view/theme/frio/templates/msg-header.tpl
@@ -7,6 +7,9 @@
 		$('#mail-conversation').perfectScrollbar();
 		$('#message-preview').perfectScrollbar();
 		// Scroll to the bottom of the mail conversation.
-		$('#mail-conversation').scrollTop($('#mail-conversation')[0].scrollHeight);
+		var $el = $('#mail-conversation');
+		if ($el.length) {
+			$el.scrollTop($el.get(0).scrollHeight);
+		}
 	});
 </script>