X-Git-Url: https://git.distorted.org.uk/~mdw/sgt/putty/blobdiff_plain/fc2464c6987e8ed8899c746ec29c01b73a23e327..1e5eefb6f2677a50fdb158e25e59f075ec034d23:/windows/winstuff.h

diff --git a/windows/winstuff.h b/windows/winstuff.h
index 1ecf6dcb..5febe16c 100644
--- a/windows/winstuff.h
+++ b/windows/winstuff.h
@@ -28,7 +28,7 @@ struct FontSpec {
 };
 
 #define BOXFLAGS DLGWINDOWEXTRA
-#define BOXRESULT DLGWINDOWEXTRA + 4
+#define BOXRESULT (DLGWINDOWEXTRA + sizeof(LONG_PTR))
 #define DF_END 0x0001
 
 /*