diff --git a/src/generic/datavgen.cpp b/src/generic/datavgen.cpp
index 5ae62917d5..437c9943fb 100644
--- a/src/generic/datavgen.cpp
+++ b/src/generic/datavgen.cpp
@@ -1710,12 +1710,13 @@ public:
             m_dist_x -= indent;
             m_hint = new wxFrame( m_win->GetParent(), wxID_ANY, wxEmptyString,
                                         wxPoint(pos.x - m_dist_x, pos.y + 5 ),
-                                        ib.GetSize(),
+                                        wxSize(1, 1),
                                         wxFRAME_TOOL_WINDOW |
                                         wxFRAME_FLOAT_ON_PARENT |
                                         wxFRAME_NO_TASKBAR |
                                         wxNO_BORDER );
             new wxBitmapCanvas( m_hint, ib, ib.GetSize() );
+            m_hint->SetClientSize(ib.GetSize());
             m_hint->SetTransparent(128);
             m_hint->Show();
         }