diff --git a/kstyle/breeze.h b/kstyle/breeze.h
index b1662472..35961704 100644
--- a/kstyle/breeze.h
+++ b/kstyle/breeze.h
@@ -146,6 +146,7 @@ namespace Breeze
         // toolbox
         ToolBox_TabMinWidth = 80,
         ToolBox_TabItemSpacing = 4,
+        ToolBox_TabMarginWidth = 8,
 
         // tooltips
         ToolTip_FrameWidth = 3,
diff --git a/kstyle/breezestyle.cpp b/kstyle/breezestyle.cpp
index 070e397a..bb2d8fce 100644
--- a/kstyle/breezestyle.cpp
+++ b/kstyle/breezestyle.cpp
@@ -1899,6 +1899,7 @@ namespace Breeze
 
         }
 
+        contentsWidth += 2*Metrics::ToolBox_TabMarginWidth;
         contentsWidth = qMin( contentsWidth, rect.width() );
         contentsWidth = qMax( contentsWidth, int(Metrics::ToolBox_TabMinWidth) );
         return centerRect( rect, contentsWidth, rect.height() );