diff --git a/src/msw/mslu.cpp b/src/msw/mslu.cpp
index 2d457db69e..be480f683f 100644
--- a/src/msw/mslu.cpp
+++ b/src/msw/mslu.cpp
@@ -72,7 +72,7 @@ WXDLLEXPORT int  wxMSLU_DrawStateW(WXHDC dc, WXHBRUSH br, WXFARPROC outputFunc,
 
     if ( wxUsingUnicowsDll() )
     {
-		return DrawStateA((HDC)dc, (HBRUSH)br, (DRAWSTATEPROC)outputFunc,
+        return DrawStateA((HDC)dc, (HBRUSH)br, (DRAWSTATEPROC)outputFunc,
                           (LPARAM)(const char*)
                                 wxConvLocal.cWX2MB((const wxChar*)lData),
                           wData, x, y, cx, cy, flags);