diff --git a/app/views/order_reports/index.html.haml b/app/views/order_reports/index.html.haml
index fb6e6e522..48fe3aa0e 100644
--- a/app/views/order_reports/index.html.haml
+++ b/app/views/order_reports/index.html.haml
@@ -5,9 +5,9 @@
 
 
 %ul.nav.nav-tabs{ role: 'tablist' }
-  %li{ class: ('active' unless params[:closed]) }
+  %li{ class: ('active' unless params[:closed] == 'true') }
     = link_to('Laufende', reports_orders_path)
-  %li{ class: ('active' if params[:closed]) }
+  %li{ class: ('active' if params[:closed] == 'true') }
     = link_to('Abgeschlossene', reports_orders_path(closed: true))
 
 - @title ||= 'Auftrags-Controlling'