diff --git a/kmmainwidget.cpp b/kmmainwidget.cpp
index 681032a6a..3ee29b0e4 100644
--- a/kmmainwidget.cpp
+++ b/kmmainwidget.cpp
@@ -127,6 +127,9 @@ KMMainWidget::KMMainWidget(QWidget *parent, const char *name,
   mJob = 0;
   mConfig = config;
   mGUIClient = aGUIClient;
+  // FIXME This should become a line separator as soon as the API
+  // is extended in kdelibs.
+  mToolbarActionSeparator = new KActionSeparator( actionCollection );
 
   if( !s_mainWidgetList )
     mwlsd.setObject( s_mainWidgetList, new QPtrList<KMMainWidget>() );
@@ -3318,8 +3321,10 @@ void KMMainWidget::initializeFilterActions()
   }
   if ( !mFilterMenuActions.isEmpty() && mGUIClient->factory() )
     mGUIClient->plugActionList( "menu_filter_actions", mFilterMenuActions );
-  if ( !mFilterTBarActions.isEmpty() && mGUIClient->factory() )
+  if ( !mFilterTBarActions.isEmpty() && mGUIClient->factory() ) {
+    mFilterTBarActions.prepend( mToolbarActionSeparator );
     mGUIClient->plugActionList( "toolbar_filter_actions", mFilterTBarActions );
+  }
 }
 
 
diff --git a/kmmainwidget.h b/kmmainwidget.h
index a362a7577..3cca0ce7a 100644
--- a/kmmainwidget.h
+++ b/kmmainwidget.h
@@ -460,6 +460,7 @@ private:
 
   QGuardedPtr<KMail::Vacation> mVacation;
   KActionCollection *mActionCollection;
+  KActionSeparator  *mToolbarActionSeparator;
   QVBoxLayout *mTopLayout;
   bool mDestructed, mForceJumpToUnread;
   QPtrList<KAction> mFilterMenuActions;
diff --git a/kmmainwin.rc b/kmmainwin.rc
index b08d25139..cd8d5d39f 100644
--- a/kmmainwin.rc
+++ b/kmmainwin.rc
@@ -167,7 +167,6 @@
   <Action name="move_to_trash" />
   <Separator/>
   <Action name="search_messages" />
-  <WeakSeparator/>
   <ActionList name="toolbar_filter_actions" />
  </ToolBar>
 </kpartgui>