diff --git a/samples/image/image.cpp b/samples/image/image.cpp
index 92e4e44c98..3f60d99734 100644
--- a/samples/image/image.cpp
+++ b/samples/image/image.cpp
@@ -285,9 +285,9 @@ MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id,
     // try to find the directory with our images
     wxString dir;
     if ( wxFile::Exists(wxT("./horse.png")) )
-        dir = "./";
+        dir = wxT("./");
     else if ( wxFile::Exists(wxT("../horse.png")) )
-        dir = "../";
+        dir = wxT("../");
     else
         wxLogWarning(wxT("Can't find image files in either '.' or '..'!"));
 
@@ -322,7 +322,7 @@ MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id,
 #if wxUSE_GIF
     image.Destroy();
 
-    if ( !image.LoadFile( dir + wxString("horse.gif")))
+    if ( !image.LoadFile( dir + _T("horse.gif" )) )
         wxLogError(wxT("Can't load GIF image"));
     else
         my_horse_gif = new wxBitmap( image );
diff --git a/samples/scroll/scroll.cpp b/samples/scroll/scroll.cpp
index 5c5e2b2772..790c8eaa4a 100644
--- a/samples/scroll/scroll.cpp
+++ b/samples/scroll/scroll.cpp
@@ -313,7 +313,7 @@ void MyCanvas::OnQueryPosition( wxCommandEvent &WXUNUSED(event) )
 void MyCanvas::OnAddButton( wxCommandEvent &WXUNUSED(event) )
 {
     wxLogMessage( wxT("Inserting button at position 10,70...") );
-    wxButton *button = new wxButton( this, ID_NEWBUTTON, "new button", wxPoint(10,70), wxSize(80,25) );
+    wxButton *button = new wxButton( this, ID_NEWBUTTON, wxT("new button"), wxPoint(10,70), wxSize(80,25) );
     wxPoint pt( button->GetPosition() );
     wxLogMessage( wxT("-> Position after inserting %d %d"), pt.x, pt.y );
 }