1 files changed, 2 insertions, 1 deletions

diff --git a/korganizer/koagendaitem.cpp b/korganizer/koagendaitem.cpp
index 0f9a38f..d38cb00 100644
--- a/korganizer/koagendaitem.cpp
+++ b/korganizer/koagendaitem.cpp
@@ -107,33 +107,34 @@ QString KOAgendaItem::getWhatsThisText()
                                                                   KOPrefs::instance()->mWTshowChanged);
     return "KOAgendaItem::getWhatsThisText()::internal error";
 }
 
 void KOAgendaItem::initColor ()
 {
     if ( (mIncidence->typeID() == todoID ) &&
          ( !((static_cast<Todo*>(mIncidence))->isCompleted()) &&
            ((static_cast<Todo*>(mIncidence))->dtDue().date() <=  QDate::currentDate()) ) ) {
         if (  (static_cast<Todo*>(mIncidence))->dtDue() <  (QDateTime)QDateTime::currentDateTime().date()) 
             mBackgroundColor = KOPrefs::instance()->mTodoOverdueColor ;
         else 
             mBackgroundColor = KOPrefs::instance()->mTodoDueTodayColor;
     }
     else {
         QStringList categories = mIncidence->categories();
-        QString cat = categories.first();
+        QString cat;
+        if(!categories.isEmpty()) cat = categories.first();
         if (cat.isEmpty()) {
             if ( (mIncidence->typeID() == todoID ) &&((static_cast<Todo*>(mIncidence))->isCompleted()) )
                 mBackgroundColor =KOPrefs::instance()->mTodoDoneColor;
             else
                 mBackgroundColor =KOPrefs::instance()->defaultColor( mIncidence->calID() );
         } else {
             mBackgroundColor = *KOPrefs::instance()->categoryColor(cat);
             if ( (mIncidence->typeID() == todoID ) &&((static_cast<Todo*>(mIncidence))->isCompleted()) ) {
                 if ( mBackgroundColor == KOPrefs::instance()->mEventColor )
                     mBackgroundColor = KOPrefs::instance()->mTodoDoneColor;
             }
         }
             
     }
 
     QColor BackgroundColor ( mBackgroundColor );