diff --git a/src/msw/statbr95.cpp b/src/msw/statbr95.cpp
index 121d042ee3..85d27e5191 100644
--- a/src/msw/statbr95.cpp
+++ b/src/msw/statbr95.cpp
@@ -197,7 +197,7 @@ void wxStatusBar95::SetFieldsCount(int nFields, const int *widths)
     SetFieldsWidth();
 }
 
-void wxStatusBar95::SetStatusWidths(int WXUNUSED(n), const int widths[])
+void wxStatusBar95::SetStatusWidths(int WXUNUSED_UNLESS_DEBUG(n), const int widths[])
 {
     wxASSERT_MSG( n == m_nFields, _T("field number mismatch") );