diff --git a/src/nodes/QskBoxRendererRect.cpp b/src/nodes/QskBoxRendererRect.cpp
index 1bbb1f21..76dc83d1 100644
--- a/src/nodes/QskBoxRendererRect.cpp
+++ b/src/nodes/QskBoxRendererRect.cpp
@@ -552,7 +552,7 @@ void QskBoxRenderer::renderRect( const QRectF& rect,
     {
         fillLineCount = gradient.stepCount() + 1;
 
-        if ( gradient.linearDirection().isTilted() )
+        if ( !gradient.isMonochrome() && gradient.linearDirection().isTilted() )
         {
             // extra lines for the corners