1 files changed, 8 insertions, 4 deletions

diff --git a/libkcal/icalformatimpl.cpp b/libkcal/icalformatimpl.cpp
index eae41aa..fe7413f 100644
--- a/libkcal/icalformatimpl.cpp
+++ b/libkcal/icalformatimpl.cpp
@@ -367,7 +367,7 @@ void ICalFormatImpl::writeIncidence(icalcomponent *parent,Incidence *incidence)
 
   // related event
-  if (incidence->relatedTo()) {
+  if (!incidence->relatedToUid().isEmpty()) {
     icalcomponent_add_property(parent,icalproperty_new_relatedto(
-        incidence->relatedTo()->uid().utf8()));
+        incidence->relatedToUid().utf8()));
   }
 
@@ -2037,9 +2037,13 @@ bool ICalFormatImpl::populate( Calendar *cal, icalcomponent *calendar)
   Event *ev;
   for ( ev=mEventsRelate.first(); ev != 0; ev=mEventsRelate.next() ) {
-    ev->setRelatedTo(cal->event(ev->relatedToUid()));
+      Incidence * inc = cal->event(ev->relatedToUid());
+      if ( inc )
+          ev->setRelatedTo( inc );
   }
   Todo *todo;
   for ( todo=mTodosRelate.first(); todo != 0; todo=mTodosRelate.next() ) {
-    todo->setRelatedTo(cal->todo(todo->relatedToUid()));
+      Incidence * inc = cal->todo(todo->relatedToUid());
+      if ( inc )
+          todo->setRelatedTo( inc );
   }