diff --git a/src/common/dcgraph.cpp b/src/common/dcgraph.cpp
index dc6d018fb2..456dc3c1a9 100644
--- a/src/common/dcgraph.cpp
+++ b/src/common/dcgraph.cpp
@@ -1287,28 +1287,20 @@ void wxGCDCImpl::Clear(void)
     if ( m_backgroundBrush.IsTransparent() )
         return;
 
-    if ( m_backgroundBrush.IsOk() )
-    {
-        m_graphicContext->SetBrush( m_backgroundBrush );
-        wxPen p = *wxTRANSPARENT_PEN;
-        m_graphicContext->SetPen( p );
-        wxCompositionMode formerMode = m_graphicContext->GetCompositionMode();
-        m_graphicContext->SetCompositionMode(wxCOMPOSITION_SOURCE);
+    m_graphicContext->SetBrush( m_backgroundBrush.IsOk() ? m_backgroundBrush
+                                                         : *wxWHITE_BRUSH );
+    wxPen p = *wxTRANSPARENT_PEN;
+    m_graphicContext->SetPen( p );
+    wxCompositionMode formerMode = m_graphicContext->GetCompositionMode();
+    m_graphicContext->SetCompositionMode(wxCOMPOSITION_SOURCE);
 
-        double x, y, w, h;
-        m_graphicContext->GetClipBox(&x, &y, &w, &h);
-        m_graphicContext->DrawRectangle(x, y, w, h);
+    double x, y, w, h;
+    m_graphicContext->GetClipBox(&x, &y, &w, &h);
+    m_graphicContext->DrawRectangle(x, y, w, h);
 
-        m_graphicContext->SetCompositionMode(formerMode);
-        m_graphicContext->SetPen( m_pen );
-        m_graphicContext->SetBrush( m_brush );
-    }
-    else
-    {
-        double x, y, w, h;
-        m_graphicContext->GetClipBox(&x, &y, &w, &h);
-        m_graphicContext->ClearRectangle(x, y, w, h);
-    }
+    m_graphicContext->SetCompositionMode(formerMode);
+    m_graphicContext->SetPen( m_pen );
+    m_graphicContext->SetBrush( m_brush );
 }
 
 void wxGCDCImpl::DoGetSize(int *width, int *height) const