diff --git a/ChangeLog b/ChangeLog
index 1a27e7f41..34f354f0f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
 2011-12-05  Wolfgang Sourdeau  <wsourdeau@inverse.ca>
 
+	* UI/Scheduler/UIxComponentEditor.m (-setCategory): ensure that
+	the new category is reported in the "categories" ivar.
+
 	* SoObjects/Appointments/iCalEvent+SOGo.m (-quickRecord):
 	-[iCalEntityObject categories] returns an NSArray that we need to
 	convert to a string for the database content.
diff --git a/UI/Scheduler/UIxComponentEditor.m b/UI/Scheduler/UIxComponentEditor.m
index 367478dda..6fd48ee8e 100644
--- a/UI/Scheduler/UIxComponentEditor.m
+++ b/UI/Scheduler/UIxComponentEditor.m
@@ -998,7 +998,7 @@ iRANGE(2);
 
 - (void) setCategory: (NSString *) newCategory
 {
-  ASSIGN (category, newCategory);
+  ASSIGN (categories, [NSArray arrayWithObject: newCategory]);
 }
 
 - (NSString *) category