1 files changed, 4 insertions, 1 deletions

diff --git a/libkcal/incidencebase.cpp b/libkcal/incidencebase.cpp
index b36dc1a..9aa517c 100644
--- a/libkcal/incidencebase.cpp
+++ b/libkcal/incidencebase.cpp
@@ -350,13 +350,16 @@ void IncidenceBase::setTempSyncStat( int id )
   if (mReadOnly) return;
   mTempSyncStat = id;
 }
 
 void IncidenceBase::removeID(const QString &prof)
 {
-    mExternalId = KIdManager::removeId ( mExternalId, prof);
+    if ( prof.isEmpty() )
+        mExternalId = ":";
+    else
+        mExternalId = KIdManager::removeId ( mExternalId, prof);
 
 }
 void IncidenceBase::setID( const QString & prof , const QString & id )
 {
     mExternalId = KIdManager::setId ( mExternalId, prof, id );
 }