diff --git a/src/generic/scrlwing.cpp b/src/generic/scrlwing.cpp
index e08021f955..00289a0bed 100644
--- a/src/generic/scrlwing.cpp
+++ b/src/generic/scrlwing.cpp
@@ -1359,7 +1359,7 @@ void wxScrollHelper::HandleOnChildFocus(wxChildFocusEvent& event)
     while ( win->GetParent() != m_targetWindow )
     {
         win = win->GetParent();
-        wxCHECK_RET( win, "incorrectly sent wxChildFocusEvent - not our child" );
+        wxCHECK_RET( win, wxT("incorrectly sent wxChildFocusEvent - not our child") );
     }
 
     // if the child is not fully visible, try to scroll it into view: