diff --git a/SoObjects/Appointments/product.plist b/SoObjects/Appointments/product.plist
index 3250fef2c..ce2616d71 100644
--- a/SoObjects/Appointments/product.plist
+++ b/SoObjects/Appointments/product.plist
@@ -8,7 +8,7 @@
   };
   
   classes = {
-    SOGoAppointmentFolder = {
+    SOGoAppointmentFolders = {
       superclass = "SOGoParentFolder";
     };
     SOGoAppointmentFolder = {