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
@@ -117,13 +117,14 @@ void KOAgendaItem::initColor ()
             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 {