diff --git a/finance/admin.py b/finance/admin.py
index c638214..349508b 100644
--- a/finance/admin.py
+++ b/finance/admin.py
@@ -94,7 +94,7 @@ admin.site.register(ServiceRequest, ServiceRequestAdmin)
 class PriceAdmin(admin.ModelAdmin):
     list_display = ('title', 'course', 'cost', 'public', 'key', 'freepay', )
     filter_horizontal = ['included']
-    list_filter = ['freepay', 'service__course',]
+    list_filter = ['freepay', 'course',]
 
 admin.site.register(Price, PriceAdmin)