diff --git a/tdeui/ktabbar.cpp b/tdeui/ktabbar.cpp
index 29479c0e9..2dd2cc9a3 100644
--- a/tdeui/ktabbar.cpp
+++ b/tdeui/ktabbar.cpp
@@ -298,9 +298,19 @@ void KTabBar::setTabColor( int id, const TQColor& color )
     }
 }
 
+void KTabBar::resetTabColor( int id )
+{
+    TQTab *t = tab(id);
+    if (t) {
+        if (mTabColors.contains(id))
+            mTabColors.remove(id);
+        repaint(t->rect(), false);
+    }
+}
+
 const TQColor &KTabBar::tabColor( int id  ) const
 {
-    if ( mTabColors.contains( id ) )
+    if ( mTabColors.contains(id) && mTabColors[id].isValid() )
         return mTabColors[id];
 
     return colorGroup().foreground();
@@ -359,7 +369,7 @@ void KTabBar::paintLabel( TQPainter *p, const TQRect& br,
         flags |= TQStyle::Style_HasFocus;
 
     TQColorGroup cg( colorGroup() );
-    if ( mTabColors.contains( t->identifier() ) )
+    if ( mTabColors.contains(t->identifier()) && mTabColors[t->identifier()].isValid() )
         cg.setColor( TQColorGroup::Foreground, mTabColors[t->identifier()] );
 
     style().drawControl( TQStyle::CE_TabBarLabel, p, this, r,
diff --git a/tdeui/ktabbar.h b/tdeui/ktabbar.h
index e31454253..c6602d0c6 100644
--- a/tdeui/ktabbar.h
+++ b/tdeui/ktabbar.h
@@ -44,6 +44,7 @@ public:
 
     const TQColor &tabColor( int ) const;
     void setTabColor( int, const TQColor& );
+    void resetTabColor( int );
 
     virtual int insertTab( TQTab *, int index = -1 );
     virtual void removeTab( TQTab * );
diff --git a/tdeui/ktabwidget.cpp b/tdeui/ktabwidget.cpp
index d6800ab9a..943598022 100644
--- a/tdeui/ktabwidget.cpp
+++ b/tdeui/ktabwidget.cpp
@@ -135,6 +135,14 @@ void KTabWidget::setTabColor( TQWidget *w, const TQColor& color )
     }
 }
 
+void KTabWidget::resetTabColor( TQWidget *w )
+{
+    TQTab *t = tabBar()->tabAt( indexOf( w ) );
+    if (t) {
+        static_cast<KTabBar*>(tabBar())->resetTabColor( t->identifier() );
+    }
+}
+
 TQColor KTabWidget::tabColor( TQWidget *w ) const
 {
     TQTab *t = tabBar()->tabAt( indexOf( w ) );
diff --git a/tdeui/ktabwidget.h b/tdeui/ktabwidget.h
index b552229c9..1290e6307 100644
--- a/tdeui/ktabwidget.h
+++ b/tdeui/ktabwidget.h
@@ -55,6 +55,11 @@ public:
     */
     void setTabColor( TQWidget *, const TQColor& color );
 
+    /*!
+      Reset the color of the tab of the given widget.
+    */
+    void resetTabColor( TQWidget * );
+
     /*!
       Returns the tab color for the given widget.
     */