diff --git a/common/widgets/mathplot.cpp b/common/widgets/mathplot.cpp
index 643c329ca2..0070f4d13c 100644
--- a/common/widgets/mathplot.cpp
+++ b/common/widgets/mathplot.cpp
@@ -3053,7 +3053,8 @@ bool mpWindow::SaveScreenshot( const wxString& filename, wxBitmapType type,
     wxBitmap screenBuffer( sizeX, sizeY );
     wxMemoryDC screenDC;
     screenDC.SelectObject( screenBuffer );
-    screenDC.SetPen( *wxTRANSPARENT_PEN );
+    screenDC.SetPen( *wxWHITE_PEN );
+    screenDC.SetTextForeground( m_fgColour );
     wxBrush brush( GetBackgroundColour() );
     screenDC.SetBrush( brush );
     screenDC.DrawRectangle( 0, 0, sizeX, sizeY );