diff -r bd7edf625bdd -r 97232defd20e calendarui/editors/src/calendbfield.cpp
--- a/calendarui/editors/src/calendbfield.cpp	Wed Sep 01 12:32:31 2010 +0100
+++ b/calendarui/editors/src/calendbfield.cpp	Tue Sep 14 21:17:03 2010 +0300
@@ -264,8 +264,13 @@
             iUnifiedEditor.EditorDataHandler().SetCalendarFieldEditedL(IsCalendarEdited()
                                                             ,iPreviousColId,iCurrentColId);
             
+            
+            if(!iAsyncDBquery)
+                {
             TCallBack callback(DoAsyncShowChangeDBQueryL,this);
             iAsyncDBquery = new(ELeave) CAsyncCallBack(callback,CActive::EPriorityStandard);
+                }
+            
             iAsyncDBquery->CallBack();
             break;
             }