diff --git a/kstyle/breezestyle.cpp b/kstyle/breezestyle.cpp
--- a/kstyle/breezestyle.cpp
+++ b/kstyle/breezestyle.cpp
@@ -3622,6 +3622,11 @@
         const bool hasAlpha( _helper->hasAlphaChannel( widget ) );
         _helper->renderMenuFrame( painter, option->rect, background, outline, hasAlpha );
 
+        // draw the vertical separator between the checkbox and the icon
+        const auto color( _helper->separatorColor( palette ) );
+        QRect separatorRect(option->rect.x(), option->rect.y(), (Metrics::CheckBox_Size + Metrics::MenuItem_ItemSpacing * 1.5) * 2, option->rect.height());
+        _helper->renderSeparator(painter, separatorRect, color, true );
+
         return true;
 
     }