diff --git a/kmail/expirejob.cpp b/kmail/expirejob.cpp
index a208b918..be5003b3 100644
--- a/kmail/expirejob.cpp
+++ b/kmail/expirejob.cpp
@@ -79,17 +79,17 @@ void ExpireJob::kill()
 
 void ExpireJob::execute()
 {
-  mMaxUnreadTime = 0;
-  mMaxReadTime = 0;
+  mMaxUnreadTime = -1;
+  mMaxReadTime = -1;
   mCurrentIndex = 0;
 
   int unreadDays, readDays;
   mSrcFolder->daysToExpire( unreadDays, readDays );
-  if (unreadDays > 0) {
+  if (unreadDays >= 0) {
     kdDebug(5006) << "ExpireJob: deleting unread older than "<< unreadDays << " days" << endl;
     mMaxUnreadTime = time(0) - unreadDays * 3600 * 24;
   }
-  if (readDays > 0) {
+  if (readDays >= 0) {
     kdDebug(5006) << "ExpireJob: deleting read older than "<< readDays << " days" << endl;
     mMaxReadTime = time(0) - readDays * 3600 * 24;
   }
@@ -123,15 +123,28 @@ void ExpireJob::slotDoWork()
 #endif
   for( ; mCurrentIndex >= stopIndex; mCurrentIndex-- ) {
     const KMMsgBase *mb = storage->getMsgBase( mCurrentIndex );
+#ifdef DEBUG_SCHEDULER
+    kdDebug(5006) << "ExpireJob: checking message " << mCurrentIndex << " existence" << endl;
+#endif
     if (mb == 0)
       continue;
+#ifdef DEBUG_SCHEDULER
+    kdDebug(5006) << "ExpireJob: checking message " << mCurrentIndex << " importance" << endl;
+#endif
     if ( ( mb->isImportant() || mb->isTodo() || mb->isWatched() )
       && GlobalSettings::self()->excludeImportantMailFromExpiry() )
        continue;
 
+#ifdef DEBUG_SCHEDULER
+    kdDebug(5006) << "ExpireJob: checking message " << mCurrentIndex << " time" << endl;
+#endif
     time_t maxTime = mb->isUnread() ? mMaxUnreadTime : mMaxReadTime;
 
+#ifdef DEBUG_SCHEDULER
+    kdDebug(5006) << "ExpireJob: checking message " << mCurrentIndex << " time (" << mb->date() << " vs " << maxTime << ")" << endl;
+#endif
     if (mb->date() < maxTime) {
+      kdDebug(5006) << "ExpireJob: expiring message " << mCurrentIndex << " from folder " << mSrcFolder->location() << endl;
       mRemovedMsgs.append( storage->getMsgBase( mCurrentIndex ) );
     }
   }