Index: kioslave/file/file.cpp
===================================================================
--- kioslave/file/file.cpp	(revision 1008903)
+++ kioslave/file/file.cpp	(revision 1008904)
@@ -1146,7 +1146,7 @@
         error( KIO::ERR_COULD_NOT_UNMOUNT, i18n("Could not find program \"umount\""));
         return;
     }
-    buffer = umountProg + QFile::encodeName(KShell::quoteArg(_point)) + " 2>" + tmpFileName;
+    buffer = umountProg + ' ' + QFile::encodeName(KShell::quoteArg(_point)) + " 2>" + tmpFileName;
     system( buffer.constData() );
 #endif /* HAVE_VOLMGT */
 
Index: kio/kio/kautomount.cpp
===================================================================
--- kio/kio/kautomount.cpp	(revision 1008897)
+++ kio/kio/kautomount.cpp	(revision 1008898)
@@ -108,7 +108,7 @@
 };
 
 KAutoUnmount::KAutoUnmount( const QString & _mountpoint, const QString & _desktopFile )
-    : d( new KAutoUnmountPrivate(this, _desktopFile, _mountpoint) )
+    : d( new KAutoUnmountPrivate(this, _mountpoint, _desktopFile) )
 {
     KIO::Job * job = KIO::unmount( d->m_mountpoint );
     connect( job, SIGNAL( result( KJob * ) ), this, SLOT( slotResult( KJob * ) ) );