diff --git a/src/msw/toolbar.cpp b/src/msw/toolbar.cpp
index 3faedbf4ad..e3c26f235c 100644
--- a/src/msw/toolbar.cpp
+++ b/src/msw/toolbar.cpp
@@ -1835,6 +1835,7 @@ bool wxToolBar::HandlePaint(WXWPARAM wParam, WXLPARAM lParam)
 
     // prepare the DC on which we'll be drawing
     wxClientDC dc(this);
+    dc.SetBrush(GetBackgroundColour());
     dc.SetPen(*wxTRANSPARENT_PEN);
 
     RECT rcUpdate;